CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Net sales	$ 260.9	$ 250.7	$ 790.3	$ 810.2
Cost of sales	150.6	151.1	454.8	479.7
Gross profit	110.3	99.6	335.5	330.5
Operating expenses:
Selling, general and administrative	71.7	65.6	219.4	210.3
Goodwill impairment	0.0	0.0	0.0	60.8
Other	4.5	2.1	6.0	3.1
Total operating expenses	76.2	67.7	225.4	274.2
Operating income	34.1	31.9	110.1	56.3
Interest expense	(10.4)	(10.8)	(31.4)	(34.9)
Interest income	1.4	3.7	4.7	11.3
Other expense	(1.1)	(1.9)	(8.7)	(4.3)
Income from continuing operations before income taxes	24.0	22.9	74.7	28.4
Income tax expense	(4.2)	(14.7)	(15.7)	(17.0)
Income from continuing operations	19.8	8.2	59.0	11.4
Income from discontinued operations, including gain on sale, net of tax	0.0	0.0	0.0	11.4
Net income	19.8	8.2	59.0	22.8
Less: net loss attributable to redeemable non-controlling interests	0.0	(0.1)	0.0	(4.3)
Net income attributable to Enpro Inc.	19.8	8.3	59.0	27.1
Comprehensive income (loss)	29.1	(3.3)	56.7	23.5
Less: comprehensive loss attributable to redeemable non-controlling interests	0.0	(0.1)	0.0	(4.3)
Comprehensive income (loss) attributable to Enpro Inc.	29.1	(3.2)	56.7	27.8
Income attributable to Enpro Inc. common shareholders:
Income from continuing operations, net of tax	19.8	8.3	59.0	15.7
Income from discontinued operations, including gain on sale, net of tax	0.0	0.0	0.0	11.4
Net income attributable to Enpro Inc.	$ 19.8	$ 8.3	$ 59.0	$ 27.1
Basic earnings per share attributable to Enpro Inc.:
Continuing operations (in dollars per share)	$ 0.94	$ 0.40	$ 2.82	$ 0.75
Discontinued operations (in dollars per share)	0	0	0	0.55
Net income per share (in dollars per share)	0.94	0.40	2.82	1.30
Diluted earnings per share attributable to Enpro Inc.:
Continuing operations (in dollars per share)	0.94	0.39	2.80	0.75
Discontinued operations (in dollars per share)	0	0	0	0.54
Net income per share (in dollars per share)	$ 0.94	$ 0.39	$ 2.80	$ 1.29