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Debt - Carrying Amounts of Long-term Debt (Details) - USD ($) $ in Thousands	Sep. 26, 2020	Apr. 02, 2020	Dec. 28, 2019
Debt Instrument
Unamortized debt issuance costs	$ (4,295)		$ (3,669)
Total debt	725,507		679,158
Less: Current maturities	0		(10,000)
Total long-term debt	725,507		669,158
Revolving Credit Facility
Debt Instrument
Long-term debt, gross	180,000		0
Term Loan
Debt Instrument
Long-term debt, gross	0	$ 140,000	145,000
Senior Notes \| Euro Senior Notes, Series A due 2023
Debt Instrument
Long-term debt, gross	136,417		129,808
Senior Notes \| Euro Senior Notes, Series B due 2028
Debt Instrument
Long-term debt, gross	110,766		105,400
Senior Notes \| U.S. Senior Notes, Series A due 2022
Debt Instrument
Long-term debt, gross	25,000		25,000
Senior Notes \| U.S. Senior Notes, Series B due 2027
Debt Instrument
Long-term debt, gross	100,000		100,000
Senior Notes \| U.S. Senior Notes, Series A due 2025
Debt Instrument
Long-term debt, gross	50,000		50,000
Senior Notes \| U.S. Senior Notes, Series B due 2030
Debt Instrument
Long-term debt, gross	125,000		125,000
Other
Debt Instrument
Long-term debt, gross	$ 2,619		$ 2,619