Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 28, 2025

Equity [Abstract]

Schedule of accumulated other comprehensive income (loss)

The changes in accumulated other comprehensive loss by component are summarized below ($ in millions):

	Foreign Currency Translation Adjustments		Unrealized Pension Costs		Total Accumulated Other Comprehensive Loss
Three Months Ended March 28, 2025
Balance, December 31, 2024	$	(375.1)	$	4.0	$	(371.1)
Other comprehensive income before reclassifications:
Increase	92.8		—		92.8
Income tax impact	5.3		—		5.3
Other comprehensive income before reclassifications, net of income taxes	98.1		—		98.1
Amounts reclassified from accumulated other comprehensive loss:
Decrease	—		(0.1)		(0.1)
Income tax impact	—		—		—
Amounts reclassified from accumulated other comprehensive loss, net of income taxes	—		(0.1)		(0.1)
Net current period other comprehensive income (loss), net of income taxes	98.1		(0.1)		98.0
Balance, March 28, 2025	$	(277.0)	$	3.9	$	(273.1)

	Foreign Currency Translation Adjustments		Unrealized Pension Costs		Total Accumulated Other Comprehensive Loss
Three Months Ended March 29, 2024
Balance, December 31, 2023	$	(223.7)	$	6.5	$	(217.2)
Other comprehensive loss before reclassifications:
Decrease	(63.3)		—		(63.3)
Income tax impact	(2.9)		—		(2.9)
Other comprehensive loss before reclassifications, net of income taxes	(66.2)		—		(66.2)
Amounts reclassified from accumulated other comprehensive loss:
Decrease	—		(0.2)		(0.2)
Income tax impact	—		—		—
Amounts reclassified from accumulated other comprehensive loss, net of income taxes	—		(0.2)		(0.2)
Net current period other comprehensive loss, net of income taxes	(66.2)		(0.2)		(66.4)
Balance, March 29, 2024	$	(289.9)	$	6.3	$	(283.6)