Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 26, 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 September 26, 2025
Balance, June 27, 2025	$	(127.3)	$	3.8	$	(123.5)
Other comprehensive income before reclassifications:
Decrease	10.9		—		10.9
Income tax impact	(0.4)		—		(0.4)
Other comprehensive loss before reclassifications, net of income taxes	10.5		—		10.5
Amounts reclassified from accumulated other comprehensive loss:
Decrease	—		(0.2)		(0.2)
Income tax impact	—		0.1		0.1
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	10.5		(0.1)		10.4
Balance, September 26, 2025	$	(116.8)	$	3.7	$	(113.1)

	Foreign Currency Translation Adjustments		Unrealized Pension Costs		Total Accumulated Other Comprehensive Loss
Three Months Ended September 27, 2024
Balance, June 28, 2024	$	(307.7)	$	6.1	$	(301.6)
Other comprehensive income before reclassifications:
Decrease	72.8		—		72.8
Income tax impact	5.3		—		5.3
Other comprehensive income before reclassifications, net of income taxes	78.1		—		78.1
Amounts reclassified from accumulated other comprehensive loss:
Decrease	—		(0.2)		(0.2)
Income tax impact	—		0.1		0.1
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	78.1		(0.1)		78.0
Balance, September 27, 2024	$	(229.6)	$	6.0	$	(223.6)

	Foreign Currency Translation Adjustments		Unrealized Pension Costs		Total Accumulated Other Comprehensive Loss
Nine Months Ended September 26, 2025
Balance, December 31, 2024	$	(375.1)	$	4.0	$	(371.1)
Other comprehensive income before reclassifications:
Decrease	242.3		—		242.3
Income tax impact	16.0		—		16.0
Other comprehensive income before reclassifications, net of income taxes	258.3		—		258.3
Amounts reclassified from accumulated other comprehensive loss:
Decrease	—		(0.4)		(0.4)
Income tax impact	—		0.1		0.1
Amounts reclassified from accumulated other comprehensive loss, net of income taxes	—		(0.3)		(0.3)
Net current period other comprehensive income (loss), net of income taxes	258.3		(0.3)		258.0
Balance, September 26, 2025	$	(116.8)	$	3.7	$	(113.1)

	Foreign Currency Translation Adjustments		Unrealized Pension Costs		Total Accumulated Other Comprehensive Loss
Nine Months Ended September 27, 2024
Balance, December 31, 2023	$	(223.7)	$	6.5	$	(217.2)
Other comprehensive loss before reclassifications:
Increase	(7.4)		—		(7.4)
Income tax impact	1.5		—		1.5
Other comprehensive loss before reclassifications, net of income taxes	(5.9)		—		(5.9)
Amounts reclassified from accumulated other comprehensive loss:
Decrease	—		(0.6)		(0.6)
Income tax impact	—		0.1		0.1
Amounts reclassified from accumulated other comprehensive loss, net of income taxes	—		(0.5)		(0.5)
Net current period other comprehensive loss, net of income taxes	(5.9)		(0.5)		(6.4)
Balance, September 27, 2024	$	(229.6)	$	6.0	$	(223.6)