Fair Value of Assets and Liabilities - Carrying Value and Estimated Fair Value of Senior Notes (Details) - Senior Notes - USD ($) $ in Thousands	Jun. 28, 2025	Dec. 28, 2024
Euro Senior Notes, Series B due 2028 | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	$ 111,079	$ 98,928
Euro Senior Notes, Series B due 2028 | Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	104,398	91,741
U.S. Senior Notes, Series A due 2025 | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	0	50,000
U.S. Senior Notes, Series A due 2025 | Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	0	49,919
U.S. Senior Notes, Series B due 2027 | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	100,000	100,000
U.S. Senior Notes, Series B due 2027 | Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	98,121	96,623
U.S. Senior Notes, Series B due 2030 | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	125,000	125,000
U.S. Senior Notes, Series B due 2030 | Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	118,391	114,786
U.S. Senior Notes, due 2032 | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	100,000	100,000
U.S. Senior Notes, due 2032 | Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	$ 94,159	$ 91,175