Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2023

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Changes in Accumulated Other Comprehensive Income (loss) by Component

Changes in accumulated other comprehensive income (loss) by component (after tax) for the quarter ended June 30, 2023 are as follows:

(in millions)	Unrealized Translation Adjustments		Pension and Other Postretirement Plans		Total
Beginning balance	$	18.6	$	(44.8)	$	(26.2)
Other comprehensive income before reclassifications	4.8		—		4.8
Amounts reclassified from accumulated other comprehensive loss	—		0.3		0.3
Net current-period other comprehensive income attributable to EnPro Industries, Inc.	4.8		0.3		5.1
Ending balance	$	23.4	$	(44.5)	$	(21.1)

Changes in accumulated other comprehensive income (loss) by component (after tax) for the quarter ended June 30, 2022 are as follows:

(in millions)	Unrealized Translation Adjustments		Pension and Other Postretirement Plans		Total
Beginning balance	$	34.9	$	(32.0)	$	2.9
Other comprehensive loss before reclassifications	(16.1)		—		(16.1)
Amounts reclassified from accumulated other comprehensive income	—		0.1		0.1
Net current-period other comprehensive loss	(16.1)		0.1		(16.0)
Less: other comprehensive income attributable to redeemable non-controlling interests	(1.1)		—		(1.1)
Net current-period other comprehensive income attributable to EnPro Industries, Inc.	(15.0)		0.1		(14.9)
Ending balance	$	19.9	$	(31.9)	$	(12.0)

Changes in accumulated other comprehensive income (loss) by component (after tax) for the six months ended June 30, 2023 are as follows:

(in millions)	Unrealized Translation Adjustments		Pension and Other Postretirement Plans		Total
Beginning balance	$	11.8	$	(45.1)	$	(33.3)
Other comprehensive income before reclassifications	11.6		—		11.6
Amounts reclassified from accumulated other comprehensive loss	—		0.6		0.6
Net current-period other comprehensive income attributable to EnPro Industries, Inc.	11.6		0.6		12.2
Ending balance	$	23.4	$	(44.5)	$	(21.1)

Changes in accumulated other comprehensive income (loss) by component (after tax) for the six months ended June 30, 2022 are as follows:

(in millions)	Unrealized Translation Adjustments		Pension and Other Postretirement Plans		Total
Beginning balance	$	46.7	$	(32.1)	$	14.6
Other comprehensive loss before reclassifications	(29.0)		—		(29.0)
Amounts reclassified from accumulated other comprehensive income	—		0.2		0.2
Net current-period other comprehensive loss	(29.0)		0.2		(28.8)
Less: other comprehensive income attributable to redeemable non-controlling interests	(2.2)		—		(2.2)
Net current-period other comprehensive income attributable to EnPro Industries, Inc.	(26.8)		0.2		(26.6)
Ending balance	$	19.9	$	(31.9)	$	(12.0)

Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (loss)

Reclassifications out of accumulated other comprehensive income (loss) for the quarters and six months ended June 30, 2023 and 2022 are as follows:

Details about Accumulated Other Comprehensive Income (Loss) Components	Amount Reclassified from Accumulated Other Comprehensive Income (Loss)								Affected Statement of Operations Caption
	Quarters Ended     June 30,				Six Months Ended   June 30,
(in millions)	2023		2022		2023		2022
Pension and other postretirement plans adjustments:
Actuarial gains	$	0.4	$	0.2	$	0.8	$	0.3	Other expense
Total before tax	0.4		0.2		0.8		0.3		Income before income taxes
Tax expense	(0.1)		(0.1)		(0.2)		(0.1)		Income tax benefit (expense)
Net of tax	$	0.3	$	0.1	$	0.6	$	0.2	Net income