Fair Value of Assets and Liabilities - Carrying Value and Estimated Fair Value of Senior Notes (Details) - Senior Notes - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Euro Senior Notes, Series A due 2023 | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	$ 127,220	$ 124,716
Euro Senior Notes, Series A due 2023 | Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	125,507	122,270
Euro Senior Notes, Series B due 2028 | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	103,298	101,265
Euro Senior Notes, Series B due 2028 | Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	89,941	87,119
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	93,334	93,764
U.S. Senior Notes, Series A due 2025 | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt fair value	50,000	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	48,128	48,145
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	111,735	112,028
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	$ 89,879	$ 90,131