Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2024

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

Schedule of Changes in Accumulated Other Comprehensive Income (Loss) by Component, Net of Tax

Changes in accumulated other comprehensive income (loss) by component, net of tax, were as follows (in millions):

	Three Months Ended June 30, 2024
	Pension and Postretirement Benefits			Cumulative Translation Adjustments			Derivative Instruments			Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period	$	32.6		$	(122.0	)	$	(0.2	)	$	(89.6	)
Other comprehensive income (loss) before reclassifications		—			(11.4	)		—			(11.4	)
Amounts reclassified from accumulated other comprehensive income (loss)		(0.5	)		—			(0.2	)		(0.7	)
Net other comprehensive income (loss)		(0.5	)		(11.4	)		(0.2	)		(12.1	)
Balance at end of period	$	32.1		$	(133.4	)	$	(0.4	)	$	(101.7	)

	Three Months Ended June 30, 2023
	Pension and Postretirement Benefits			Cumulative Translation Adjustments			Derivative Instruments			Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period	$	30.7		$	(120.2	)	$	6.2		$	(83.3	)
Other comprehensive income (loss) before reclassifications		—			3.5			(0.1	)		3.4
Amounts reclassified from accumulated other comprehensive income (loss)		(0.4	)		—			(2.9	)		(3.3	)
Net other comprehensive income (loss)		(0.4	)		3.5			(3.0	)		0.1
Balance at end of period	$	30.3		$	(116.7	)	$	3.2		$	(83.2	)

	Six Months Ended June 30, 2024
	Pension and Postretirement Benefits			Cumulative Translation Adjustments			Derivative Instruments			Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period	$	33.0		$	(104.5	)	$	(0.5	)	$	(72.0	)
Other comprehensive income (loss) before reclassifications		—			(28.9	)		0.5			(28.4	)
Amounts reclassified from accumulated other comprehensive income (loss)		(0.9	)		—			(0.4	)		(1.3	)
Net other comprehensive income (loss)		(0.9	)		(28.9	)		0.1			(29.7	)
Balance at end of period	$	32.1		$	(133.4	)	$	(0.4	)	$	(101.7	)

	Six Months Ended June 30, 2023
	Pension and Postretirement Benefits			Cumulative Translation Adjustments			Derivative Instruments			Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period	$	31.1		$	(131.6	)	$	8.2		$	(92.3	)
Other comprehensive income (loss) before reclassifications		—			13.9			0.1			14.0
Amounts reclassified from accumulated other comprehensive income (loss)		(0.8	)		1.0			(5.1	)		(4.9	)
Net other comprehensive income (loss)		(0.8	)		14.9			(5.0	)		9.1
Balance at end of period	$	30.3		$	(116.7	)	$	3.2		$	(83.2	)

Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (Loss) Included in the Computation of Net Periodic Pension and Post-employment Benefit Cost

Reclassifications out of accumulated other comprehensive income (loss) included in the computation of net periodic pension and postretirement benefit cost (See Note 6 for additional details regarding benefit plans) are included within Miscellaneous, net within the Condensed Consolidated Statements of Income and were as follows (in millions):

	Three Months Ended June 30,						Six Months Ended June 30,
	2024			2023			2024			2023
Amortization of pension and postretirement benefits items
Prior service cost	$	—		$	0.2		$	0.1		$	0.3
Actuarial gains		(0.7	)		(0.7	)		(1.3	)		(1.3	)
Total before tax		(0.7	)		(0.5	)		(1.2	)		(1.0	)
Tax expense		0.2			0.1			0.3			0.2
Net of tax	$	(0.5	)	$	(0.4	)	$	(0.9	)	$	(0.8	)