Accumulated Other Comprehensive Income (Loss)

6 Months Ended

Jun. 30, 2025

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

Accumulated Other Comprehensive Income (Loss)

18. Accumulated Other Comprehensive Income (Loss)

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

	Three Months Ended June 30, 2025
	Pension and Post-Employment Benefits			Cumulative Translation Adjustments			Derivative Instruments			Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period	$	67.3		$	(136.5	)	$	0.5		$	(68.7	)
Other comprehensive income (loss) before reclassifications		—			77.4			—			77.4
Amounts reclassified from accumulated other comprehensive income (loss)		(1.0	)		—			(0.3	)		(1.3	)
Net other comprehensive income (loss)		(1.0	)		77.4			(0.3	)		76.1
Balance at end of period	$	66.3		$	(59.1	)	$	0.2		$	7.4

	Three Months Ended June 30, 2024
	Pension and Post-Employment 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	)

	Six Months Ended June 30, 2025
	Pension and Post-employment Benefits			Cumulative Translation Adjustments			Derivative Instruments			Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period	$	68.4		$	(172.2	)	$	0.6		$	(103.2	)
Other comprehensive income (loss) before reclassifications		—			113.1			0.2			113.3
Amounts reclassified from accumulated other comprehensive income (loss)		(2.1	)		—			(0.6	)		(2.7	)
Net other comprehensive income (loss)		(2.1	)		113.1			(0.4	)		110.6
Balance at end of period	$	66.3		$	(59.1	)	$	0.2		$	7.4

	Six Months Ended June 30, 2024
	Pension and Post-employment 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	)