Debt - Carrying Amounts of Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 28, 2020	Dec. 28, 2019
Debt Instrument [Line Items]
Unamortized debt issuance costs	$ (3,429)	$ (3,669)
Total debt	774,195	679,158
Less: Current maturities	(10,000)	(10,000)
Total long-term debt	764,195	669,158
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	100,000	0
Term Loan
Debt Instrument [Line Items]
Long-term debt, gross	142,500	145,000
Euro Senior Notes, Series A due 2023
Debt Instrument [Line Items]
Long-term debt, gross	128,316	129,808
Euro Senior Notes, Series B due 2028
Debt Instrument [Line Items]
Long-term debt, gross	104,189	105,400
U.S. Senior Notes, Series A due 2022
Debt Instrument [Line Items]
Long-term debt, gross	25,000	25,000
U.S. Senior Notes, Series B due 2027
Debt Instrument [Line Items]
Long-term debt, gross	100,000	100,000
U.S. Senior Notes, Series A due 2025
Debt Instrument [Line Items]
Long-term debt, gross	50,000	50,000
U.S. Senior Notes, Series B due 2030
Debt Instrument [Line Items]
Long-term debt, gross	125,000	125,000
Other
Debt Instrument [Line Items]
Long-term debt, gross	$ 2,619	$ 2,619

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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