CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income attributable to Enpro Inc.	$ 22.2	$ 205.1	$ 177.9
Other comprehensive income:
Foreign currency translation adjustments	11.0	(34.1)	19.8
Pension and postretirement benefits adjustment (excluding amortization)	(2.6)	(17.0)	4.8
Pension settlements and curtailments	0.3	(1.0)	0.0
Amortization of pension and postretirement benefits included in net income	0.7	0.8	0.9
Other comprehensive income (loss), before tax	9.4	(51.3)	25.5
Income tax benefit (expense) related to items of other comprehensive income	1.7	0.0	(5.6)
Other comprehensive income (loss), net of tax	11.1	(51.3)	19.9
Less: other comprehensive income (loss) attributable to non-controlling interests	0.0	(3.4)	0.4
Other comprehensive income (loss), net of tax attributable to Enpro Inc.	11.1	(47.9)	19.5
Comprehensive income attributable to Enpro Inc.	$ 33.3	$ 157.2	$ 197.4