Employee Retirement Plans Summary of the Plans' Net Periodic Pension Cost, Benefit Obligations, Funded Status, and Net Balance Sheet Position (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Liability, Defined Benefit Pension Plan, Noncurrent	$ 9,573	$ 12,128
Pre-tax components in accumulated other comprehensive income at period end:
Long-lived assets	823,849	761,447	$ 662,804
Non US Plans
Net Periodic Pension Cost:
Interest cost	43,892	46,046
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(62,289)	(58,766)
Defined Benefit Plan, Amortization of Gain (Loss)	(204)	(186)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	2,674	2,601
Defined Benefit Plan, Net Periodic Benefit Cost	(15,519)	(9,933)
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Defined Benefit Plan, Benefit Obligation, Beginning Balance	989,106	946,153
Interest cost	43,892	46,046
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)	(94,002)	1,970
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(61,506)	(59,018)
Exchange effect	(10,348)	53,955
Defined Benefit Plan, Benefit Obligation, Ending Balance	867,142	989,106
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Defined Benefit Plan, Plan Assets, Amount, Beginning Balance	1,027,421	943,757
Defined Benefit Plan, Plan Assets, Contributions by Employer	103	6,012
Defined Benefit Plan Investment Gain Loss	4,086	81,945
Defined Benefit Plan Fair Value Of Plan Assets Benefits Paid	(61,506)	(59,018)
Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss)	(11,755)	54,725
Defined Benefit Plan, Plan Assets, Amount, Ending Balance	958,349	1,027,421
Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract]
Defined Benefit Plan Benefit Obligation Unfunded Status Of Plan	91,207	(38,315)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Liability, Defined Benefit Pension Plan, Noncurrent	91,207	38,315
Pre-tax components in accumulated other comprehensive income at period end:
Net actuarial loss	64,371	103,705
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax	(36,008)	(17,079)
Defined Benefit Plan, Amount Recognized in Net Periodic Benefit Cost (Credit) and Other Comprehensive (Income) Loss, before Tax	(205)	(150)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax	(3,121)	(360)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax	39,334	17,589
Defined Benefit Plan, Accumulated Benefit Obligation	$ 867,119	$ 989,081
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	0.80%	0.80%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	5.50%	4.60%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets	5.90%	6.20%
USPlans
Net Periodic Pension Cost:
Interest cost	$ 1,267	$ 1,315
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	(926)	(873)
Defined Benefit Plan, Amortization of Gain (Loss)	(281)	(420)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0	0
Defined Benefit Plan, Net Periodic Benefit Cost	622	862
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Defined Benefit Plan, Benefit Obligation, Beginning Balance	27,659	27,550
Interest cost	1,267	1,315
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)	(1,598)	539
Defined Benefit Plan, Benefit Obligation, Benefits Paid	(1,747)	(1,745)
Exchange effect	0	0
Defined Benefit Plan, Benefit Obligation, Ending Balance	25,581	27,659
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Defined Benefit Plan, Plan Assets, Amount, Beginning Balance	15,751	14,998
Defined Benefit Plan, Plan Assets, Contributions by Employer	1,244	1,114
Defined Benefit Plan Investment Gain Loss	760	1,384
Defined Benefit Plan Fair Value Of Plan Assets Benefits Paid	(1,747)	(1,745)
Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss)	0	0
Defined Benefit Plan, Plan Assets, Amount, Ending Balance	16,008	15,751
Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract]
Defined Benefit Plan Benefit Obligation Unfunded Status Of Plan	9,573	11,908
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Liability, Defined Benefit Pension Plan, Noncurrent	9,573	11,908
Pre-tax components in accumulated other comprehensive income at period end:
Net actuarial loss	297	2,011
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax	(1,432)	28
Defined Benefit Plan, Amount Recognized in Net Periodic Benefit Cost (Credit) and Other Comprehensive (Income) Loss, before Tax	(281)	(420)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax	0	0
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax	1,713	392
Defined Benefit Plan, Accumulated Benefit Obligation	$ 25,581	$ 27,659
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	5.40%	4.80%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets	6.00%	6.00%