Subsequent Events	3 Months Ended
Mar. 31, 2022
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsOn March 30, 2022, the Company entered into a definitive agreement to acquire KZ CO. ("KZValve") for cash consideration of $120.0 million, subject to customary post-closing adjustments. KZValve, based in Greenwood, Nebraska, is a leading manufacturer of electric valves and controllers used primarily in agricultural applications. KZValve will augment and expand IDEX's agricultural portfolio, complementing Banjo's current fluid management solutions for these applications. With annual sales of approximately $28.0 million, KZValve will be part of the Company’s Agriculture reporting unit within the FMT segment. The Company expects to close the transaction by the end of the second quarter of 2022, subject to regulatory approval and customary closing conditions.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration