SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Amendment No. 25) Under the Securities Exchange Act of 1934 IDEX CORPORATION (Name of Issuer) Common Stock Par Value $0.01 Per Share (Title of Class and Securities) 45167R104 (CUSIP Number of Class of Securities) J. Hamilton Crawford, Jr., Gabelli Funds, Inc., One Corporate Center, Rye, New York 10580-1434, (914) 921-5067 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) August 1, 1994 (Date of Event Which Requires Filing of this Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this State- ment because of Rule 13D-1(b)(3) or (4), check the following box: ____ /___/ Check the following box if a fee is being paid with this Statement: ____ / /_________________________________________________________________ CUSIP No. 45167R104 13D _________________________________________________________________ (1) NAMES OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Gabelli Funds, Inc. I.D. No. 13-3056041 _________________________________________________________________ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: ____ (a) /___/ ____ (b) /___/ _________________________________________________________________ (3) SEC USE ONLY _________________________________________________________________ (4) SOURCE OF FUNDS* WC _________________________________________________________________ (5) CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) _____ / x / _________________________________________________________________ (6) CITIZENSHIP OR PLACE OF ORGANIZATION New York _________________________________________________________________ : (7) SOLE VOTING POWER : 596,100 (Item 5) :________________________ : (8) SHARED VOTING POWER NUMBER OF SHARES BENEFICIALLY : None (Item 5) OWNED BY EACH REPORTING :________________________ PERSON WITH : (9) SOLE DISPOSITIVE : POWER : 596,100 (Item 5) :________________________ :(10) SHARED DISPOSITIVE : POWER : None (Item 5) _________________________________________________________________ (11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 596,100 (Item 5) _________________________________________________________________ (12) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES* _____ / x / _________________________________________________________________ (13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11 4.69% _________________________________________________________________ (14) TYPE OF REPORTING PERSON* HC _________________________________________________________________ *SEE INSTRUCTIONS BEFORE FILLING OUT! ________________________________________________________________ CUSIP No. 45167R104 13D _________________________________________________________________ (1) NAMES OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS GAMCO Investors, Inc. I.D. No. 13-2951242 _________________________________________________________________ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: ____ (a) /___/ ____ (b) /___/ _________________________________________________________________ (3) SEC USE ONLY _________________________________________________________________ (4) SOURCE OF FUNDS* OO: Funds of investment advisory clients _________________________________________________________________ (5) CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) ____ /x___/ _________________________________________________________________ (6) CITIZENSHIP OR PLACE OF ORGANIZATION New York _________________________________________________________________ : (7) SOLE VOTING POWER : 1,222,200 (Item 5) :________________________ : (8) SHARED VOTING POWER NUMBER OF SHARES BENEFICIALLY : None OWNED BY EACH REPORTING :________________________ PERSON WITH : (9) SOLE DISPOSITIVE : POWER : 1,363,200 (Item 5) :________________________ :(10) SHARED DISPOSITIVE : POWER : None _________________________________________________________________ (11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,363,200 (Item 5) _________________________________________________________________ (12) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES* ____ /___/ _________________________________________________________________ (13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11 10.73% _________________________________________________________________ (14) TYPE OF REPORTING PERSON* IA _________________________________________________________________ *SEE INSTRUCTIONS BEFORE FILLING OUT! _______________________________________ CUSIP No. 45167R104 13D _________________________________________________________________ (1) NAMES OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Mario J. Gabelli I.D. No. ###-##-#### _________________________________________________________________ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: ____ (a) /___/ ____ (b) /___/ _________________________________________________________________ (3) SEC USE ONLY _________________________________________________________________ (4) SOURCE OF FUNDS* WC _________________________________________________________________ (5) CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) ____ / x / _________________________________________________________________ (6) CITIZENSHIP OR PLACE OF ORGANIZATION USA _________________________________________________________________ : (7) SOLE VOTING POWER : None (Item 5) :________________________ : (8) SHARED VOTING POWER NUMBER OF SHARES BENEFICIALLY : None OWNED BY EACH REPORTING :________________________ PERSON WITH : (9) SOLE DISPOSITIVE : POWER : None (Item 5) :________________________ :(10) SHARED DISPOSITIVE : POWER : None _________________________________________________________________ (11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None (Item 5) _________________________________________________________________ (12) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES* _____ / x / _________________________________________________________________ (13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11 0.00% _________________________________________________________________ (14) TYPE OF REPORTING PERSON* IN _________________________________________________________________ *SEE INSTRUCTIONS BEFORE FILLING OUT! ____________________________________ CUSIP No. 45167R104 13D _________________________________________________________________ (1) NAMES OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Gabelli & Company, Inc. I.D. No. 13-2885006 _________________________________________________________________ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: ____ (a) /___/ ____ (b) /___/ _________________________________________________________________ (3) SEC USE ONLY _________________________________________________________________ (4) SOURCE OF FUNDS* OO: Funds of client discretionary accounts and working capital of its own account _________________________________________________________________ (5) CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) ____ /___/ _________________________________________________________________ (6) CITIZENSHIP OR PLACE OF ORGANIZATION New York _________________________________________________________________ : (7) SOLE VOTING POWER : None (Item 5) :________________________ : (8) SHARED VOTING POWER NUMBER OF SHARES BENEFICIALLY : 3,000 (Item 5) OWNED BY EACH REPORTING :________________________ PERSON WITH : (9) SOLE DISPOSITIVE : POWER : None (Item 5) :________________________ :(10) SHARED DISPOSITIVE : POWER : 3,000 (Item 5) _________________________________________________________________ (11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,000 (Item 5) _________________________________________________________________ (12) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN SHARES* ____ /___/ _________________________________________________________________ (13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11 0.02% _________________________________________________________________ (14) TYPE OF REPORTING PERSON* BD _________________________________________________________________ *SEE INSTRUCTIONS BEFORE FILLING OUT! This Amendment No. 25 to Schedule 13D on Idex Corporation (the "Issuer") is being filed on behalf of the undersigned to amend the Schedule 13D, as amended (the "Schedule 13D") which was originally filed on June 16, 1989. Unless otherwise indicated, all capitalized terms used herein but not defined herein shall have the same meaning as set forth in the Schedule 13D. Item 5. Interest In Securities Of The Issuer Item 5 to Schedule 13D is amended, in pertinent part, as follows: (a) The aggregate number and percentage of Securities to which this Schedule 13D relates is 1,962,300 shares, repre- senting 15.44% of the 12,707,626 shares outstanding as reported in the most recently filed Form 10-Q dated April 29, 1994. The Reporting Persons beneficially own those Securities as follows: Shares of % of Common Class of Name Stock Common GAMCO As Principal 0 0.00% As Agent 1,363,200 10.73% GFI As Principal 0 0.00% As Agency 596,100 4.69% Gabelli & Company: Principal/Trading 0 0.00% Agency 3,000 0.02% Mario J. Gabelli 0 0.00% Mr. Gabelli is deemed to have beneficial ownership of the Securities beneficially owned by each of the foregoing persons and GFI is deemed to have beneficial ownership of the securities owned beneficially by each of the foregoing persons other than Mr. Gabelli. (b) Each of the Reporting Persons and Covered Persons has the sole power to vote or direct the vote and sole power to dispose or to direct the disposition of the Securities reported for it, either for its own benefit or for the benefit of its investment clients or its partners, as the case may be, except that GAMCO Investors, Inc. does not have authority to vote 141,000 of the reported shares, and except that GFI has sole dispositive and voting power with respect to the shares of the Issuer held by the The Gabelli Asset Fund, The Gabelli Growth Fund, The Gabelli Equity Trust, Inc., The Gabelli Convertible Securities Fund, The Gabelli Value Fund Inc., The Gabelli Small Cap Growth Fund, The Gabelli Equity Income Fund, The Gabelli Global Telecommunications Fund, The Gabelli Global Convertible Securities, The Gabelli Global Interactive Couch Potato Fund, Gabelli Gold Fund, Inc., and/or The Gabelli ABC Fund so long as the aggregate voting interest of all joint filers does not exceed 25% of their total voting interest in the Issuer and, in that event, the Proxy Voting Committee of each Fund (other than The Gabelli Growth Fund) shall respectively vote that Funds shares, and except that at any time, the Proxy Voting Committee of each such Fund may take and exercise in its sole discretion the entire voting power with respect to the shares held by such fund under special circumstances such as regulatory considerations, and except that that Gabelli & Company shares with the clients for whose accounts such Securities were purchased the voting and dispositive power with respect to the 3,000 shares purchased for such accounts, and except that the power of Mr. Gabelli and GFI is indirect with respect to Securities beneficially owned directly by other Reporting Persons. (c) Information with respect to all transactions in the Securities which were effected during the past sixty days by each of the Reporting Persons and Covered Persons is set forth on Schedule II annexed hereto and incorporated herein by reference. Signature After reasonable inquiry and to the best of my know- ledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated: August 2, 1994 GABELLI FUNDS, INC. By:_________________________ J. Hamilton Crawford, Jr. Senior Vice President and General Counsel GAMCO INVESTORS, INC. By:_________________________ Douglas R. Jamieson Chief Operating Officer and Executive Vice President Gabelli & Company, Inc. By:__________________________ J. Hamilton Crawford, Jr. Senior Vice President and General Counsel Mario J. Gabelli By:____________________________ J. Hamilton Crawford, Jr. Attorney-in-Fact Schedule I Information with Respect to Executive Officers and Directors of the Undersigned Schedule I to Schedule 13D is amended, in pertinent part, as follows: The following sets forth as to each of the executive officers and directors of the undersigned: his name; his business address; and his present principal occupation or employment and the name, principal business and address of any corporation or other organization in which such employment is conducted. Unless other- wise specified, the principal employer of each such individual is Gabelli Funds, Inc., Gabelli & Company, Inc., or GAMCO Investors, Inc., the business address of each of which is One Corporate Center, Rye, New York 10580, and each such individual identified below is a citizen of the United States. To the knowledge of the undersigned, during the last five years, no such person has been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors), and no such person was a party to a civil proceeding of a judicial or administrative body of competent jurisdiction as a result of which he was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities law or finding any violation with respect to such laws except as reported in Item 2(d) of this Schedule 13D. Gabelli Funds, Inc. Directors: Mario J. Gabelli Richard B. Black Chairman of Raster Image Processing Systems; Chairman ECRM; Director of Archetype and Oak Technology; Director of The Morgan Group, Inc.; General Partner of KBA Part- ners, Parker Plaza 400 Kelby Street, Fort Lee, NJ 07029 Charles C. Baum Chairman, Director and Chief Executive Officer of The Morgan Group, Inc.; Secretary & Treasurer United Holdings 2545 Wilkens Avenue Baltimore, MD 21223 Dr. Eamon M. Kelly President Tulane University 218 Gibson Hall 6823 St. Charles Avenue New Orleans, LA 70118 Officers: Mario J. Gabelli Chairman, Chief Executive Officer and Chief Investment Officer J. Hamilton Crawford, Jr. Vice President and Assistant Secretary Stephen G. Bondi Vice President - Finance Joseph J. Frazzitta Assistant Secretary GAMCO Investors, Inc. Directors: Douglas R. Jamieson Joseph R. Rindler, Jr. Regina Pitaro Joseph J. Frazzitta William F. Scholz Officers: Mario J. Gabelli Chief Investment Officer Douglas R. Jamieson Chief Operating Officer and Executive Vice President Joseph J. Frazzitta Vice President and Chief Financial Officer James E. McKee Vice President, Legal and Compliance and Assistant Secretary J. Hamilton Crawford, Jr. Assistant Secretary Gabelli Securities, Inc. Directors: Charles C. Baum See above-Gabelli Funds, Inc. Joseph R. Rindler Managing Director Gabelli & Company, Inc. One Corporate Center Rye, NY 10580 David Perlmutter Perlmutter & Associates 200 Park Avenue, Suite 4515 New York, N.Y. 10166 Stephen G. Bondi Acting Chief Operating Officer and Vice President Advisors: Vincent J. Amabile Robert Blake Officers: Stephen G. Bondi Acting Chief Operating Officer and Vice President J. Hamilton Crawford, Jr. Vice President and Assistant Secretary Erwin I. Mevorah Vice President - Finance Gabelli & Company, Inc. Directors: James G. Webster, III Chairman Charles C. Baum See above-Gabelli Funds, Inc. Joseph J. Frazzitta Vice President and Chief Financial Officer Officers: James G. Webster, III Chairman Joseph J. Frazzitta Vice President/Finance and Chief Financial Officer Stephen G. Bondi Vice President J. Hamilton Crawford, Jr. Vice President and Assistant Secretary GLI, Inc. Directors: Mario J. Gabelli See above-Gabelli Funds, Inc. Officers: Mario J. Gabelli Chairman and Chief Investment Officer Stephen G. Bondi Vice President J. Hamilton Crawford, Jr. Assistant Secretary Gabelli Associates Limited Directors: Mario J. Gabelli See above-Gabelli Funds, Inc. Pierson Management (Cayman) P.O. Box 2003, Cayside Galleries Limited Harbour Drive, George Town, Grand Cayman, British West Indies Pierson Nominees (Cayman) P.O. Box 2003, Cayside Galleries Limited Harbour Drive, George Town, Grand Cayman, British West Indies Officers: Mario J. Gabelli Chief Investment Officer Kevin Bromley Vice President, Treasurer and Assistant Secretary Sandra Wight Secretary and Assistant Treasurer Gabelli International Limited Directors: Mario J. Gabelli See above-Gabelli Funds, Inc. Pierson Management (Cayman) P.O. Box 2003, Cayside Galleries Limited Harbour Drive, George Town, Grand Cayman, British West Indies Officers: Kevin Bromley Vice President, Treasurer, and Assistant Secretary Pierson, Heldring & Pierson (Cayman) Limited, P.O. Box 2003, Cayside Galleries Harbour Drive, George Town, Grand Cayman, British West Indies Sandra Wight Secretary and Assistant Treasurer Pierson, Heldring & Pierson (Cayman) Limited, P.O. Box 2003, Cayside Galleries Harbour Drive, George Town, Grand Cayman, British West Indies Lynch Corporation 8 Sound Shore Drive Greenwich, CT 06830 Directors: Paul J. Evanson Chief Financial Officer FPL Group, Inc. P.O Box 14000 700 Universe Blvd. Juno Beach, Fl 33408 Bradley J. Bell Vice President & Treasurer Whirlpool Corp. Administrative Center Benton Harbor, MI 49022 Morris Berkowitz Business Consultant 163-43 Willets Point Blvd. Whitestone, NY 11357 Richard J. Boyle Chairman, The Boyle Group 6110 Blue Circle Drive Suite 250 Minnetonka, MN 55343 Mario J. Gabelli See above-Gabelli Funds, Inc. Robert C. Kolodny, M.D. Medical Director and Chairman of the Board of The Behavorial Medicine Institute 885 Oenoke Ridge Road New Canaan, CT 06840 Paul Woolard Business Consultant 116 East 68th Street New York, NY 10021 E. Val Cerutti Business Consultant Cerutti Consultants 227 McLain Street Mount Kisco, NY 10549 Officers: Mario J. Gabelli Chairman and Chief Executive Officer Philip J. Lombardo Office of the President Michael J. Small Office of the President Joseph H. Epel Treasurer Robert E. Dolan Chief Financial Officer Carmine Ceraolo Assistant Controller Robert A. Hurwich Vice President-Administration, Secretary and General Counsel Mary J. Carroll Administrative Assistant Safety Railway Service Corporation 251 Welton Street Hamden, CT 06517 Directors: Joseph P. Rhein Chairman 241 McClenaghan Mill Road Wynnewood, PA 19096 William F. Bullis Safety Railway Service Corporation 265 Great Neck Road Great Neck, NY 11021 Officers: Robert E. Dolan Controller Joseph H. Epel Treasurer and Assistant Secretary James W. Toman Assistant Secretary Entoleter, Inc. 251 Welton Street Hamden, CT 06517 Directors: Joseph P. Rhein See above-Safety Railway William F. Bullis See above-Safety Railway Officers: John M. Martin President James W. Toman Chief Financial Officer Joseph H. Epel Treasurer and Secretary Robert E. Dolan Controller Western New Mexico Telephone Company 314 Yankee Street Silver City, NM 08062 Directors: Jack C. Keen Chairman Jack W. Keen President Dr. Brian E. Gordon Vice President Mary Beth Baxter Secretary & Treasurer Robert E. Dolan See above-Lynch Corporation Joseph H. Epel See above-Lynch Corporation Carmine Ceraolo See above-Lynch Corporation Mary J. Carroll See above-Lynch Corporation Officers: Jack C. Keen Chairman of the Board Jack W. Keen President Jack L. Bentley Executive Vice President Dr. Brian E. Gordon Vice President Charles M. Baxter Sr. Vice President-Operations James M. Bucher Asst. Vice President- Operations Mary Beth Baxter Secretary & Treasurer Joseph H. Epel Assistant Treasurer Inter-Community Telephone Company P.O. Box A Nome, ND 58062 Directors: Mary J. Carroll See above-Lynch Corporation Carmine P. Ceraolo See above-Lynch Corporation Robert E. Dolan See above-Lynch Corporation Joseph H. Epel See above-Lynch Corporation Leone A. Nilsen President Roger J. Nilsen P.O. Box 146 Hannaford, ND 58448 Duane A. Plecity Secretary Harry B. Snyder P.O. Box 131 Buffalo, ND 58011 Robert Snyder 200 Broadway South Buffalo, ND 58011 Officers: Leone A. Nilsen President Robert Snyder Vice President Duane A. Plecity Secretary Harry B. Snyder Treasurer Joseph H. Epel Assistant Treasurer
SCHEDULE II INFORMATION WITH RESPECT TO TRANSACTIONS EFFECTED DURING THE PAST SIXTY DAYS OR SINCE THE MOST RECENT FILING ON SCHEDULE 13D (1) SHARES PURCHASED AVERAGE DATE SOLD(-) PRICE(2) COMMON STOCK-IDEX CORP GABELLI FUNDS, INC. THE GABELLI EQUITY TRUST,INC. 6/15/94 2,500- 41.0800 6/10/94 3,900- 40.8141 6/08/94 500- 40.5000 GAMCO INVESTORS, INC. 8/01/94 500- 38.8750 8/01/94 5,000- 39.0530 7/22/94 1,000- 38.7500 7/05/94 1,000- 39.0000 6/20/94 1,200- 41.1458 6/20/94 1,000- 41.2500 6/17/94 2,100- 41.5119 6/16/94 5,900- 41.2119 6/15/94 3,800- 41.0000 6/15/94 2,500- 41.0500 6/14/94 500- 41.0000 6/13/94 500- 40.6250 6/13/94 1,500- *DO 6/09/94 1,000- 40.3750 6/08/94 4,700- 40.2766 6/07/94 3,000- 40.4583 6/03/94 1,000- 39.9500 6/01/94 1,000- 40.1250 (1) UNLESS OTHERWISE INDICATED, ALL TRANSACTIONS WERE EFFECTED ON THE NY STOCK EXCHANGE. (2) PRICE EXCLUDES COMMISSION. (*) RESULTS IN CHANGE OF DISPOSITIVE POWER AND BENEFICIAL OWNERSHIP OF GAMCO INVESTORS, INC.