Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Schedule of Basic Weighted Average Shares Reconciles to Diluted Weighted Average Shares

Basic weighted average common shares outstanding reconciles to diluted weighted average common shares outstanding as follows:

	2023	2022	2021
	(In millions)
Basic weighted average common shares outstanding	75.6	75.7	76.0
Dilutive effect of restricted stock, performance share units and stock options	0.3	0.3	0.4
Diluted weighted average common shares outstanding	75.9	76.0	76.4

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Options to purchase shares of common stock that were not included in the computation of Diluted EPS attributable to IDEX because the effect of their inclusion would have been antidilutive were as follows:

	2023	2022	2021
Antidilutive shares not included in Diluted EPS attributable to IDEX	0.2	0.5	0.3

Schedule of Property and Equipment at Cost, Depreciation and Amortization Estimated Useful Lives

Property and equipment are stated at cost, with depreciation provided using the straight-line method over the following estimated useful lives:

Land improvements	8 to 12 years
Buildings and improvements	8 to 30 years
Machinery, equipment and other	3 to 12 years
Office and transportation equipment	2 to 10 years

Schedule of Identifiable Intangible Assets, Useful Lives

Certain identifiable intangible assets are amortized over their estimated useful lives using the straight-line method. The estimated useful lives used in the computation of amortization of identifiable intangible assets are as follows:

Patents	5 to 20 years
Trade names	15 to 20 years
Customer relationships	5 to 20 years
Unpatented technology	8 to 20 years
Software	5 years