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- Definition

Number Of Series

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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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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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

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 of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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- Definition

The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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Debt - Narrative (Details)			12 Months Ended
Debt - Narrative (Details)	Apr. 03, 2020 USD ($)	Mar. 25, 2020 USD ($)	Jan. 01, 2022 USD ($)	Dec. 26, 2020 USD ($)	Dec. 28, 2019 USD ($)	Jan. 16, 2018 USD ($)	Nov. 15, 2017 USD ($) series	Feb. 15, 2017 USD ($)	Dec. 08, 2016 USD ($) series	Dec. 08, 2016 EUR (€) series
Debt Instrument
Cash paid during the period for interest			$ 17,420,000	$ 20,095,000	$ 21,240,000
Proceeds of revolving credit facility		$ 100,000,000	0	240,000,000	0
Long-term debt, gross			639,984,000
Repayments of long-term lines of credit			30,000,000	110,000,000	$ 0
Debt issuance cost			3,087,000	4,114,000
Term Loan
Debt Instrument
Line of credit facility borrowing capacity eliminated	$ 200,000,000
Long-term debt, gross	140,000,000
Revolving Credit Facility
Debt Instrument
Long-term debt, gross			100,000,000	130,000,000
Repayments of long-term lines of credit			$ 30,000,000
Credit Agreement
Debt Instrument
Effective interest rate (in percent)			1.35%
Letter of credit outstanding			$ 0
Credit Agreement \| Minimum
Debt Instrument
Commitment fee (in percent)			0.125%
Credit Agreement \| Maximum
Debt Instrument
Commitment fee (in percent)			0.20%
Credit Agreement \| LIBOR \| Minimum
Debt Instrument
Basis spread on variable rate (in percent)			1.25%
Credit Agreement \| LIBOR \| Maximum
Debt Instrument
Basis spread on variable rate (in percent)			2.00%
Credit Agreement \| Base Rate \| Minimum
Debt Instrument
Basis spread on variable rate (in percent)			0.25%
Credit Agreement \| Base Rate \| Maximum
Debt Instrument
Basis spread on variable rate (in percent)			1.00%
Credit Agreement \| Revolving Credit Facility
Debt Instrument
Remaining borrowing capacity			$ 600,000,000
Credit Agreement \| Term Loan Credit Facility
Debt Instrument
Repayments of debt	$ 5,000,000
Euro Senior Notes, Series A and B \| Senior Notes
Debt Instrument
Face amount of debt \| €										€ 212,000,000
Number of series \| series									2	2
Euro Senior Notes, Series A due 2023 \| Senior Notes
Debt Instrument
Long-term debt, gross			132,444,000	142,679,000
Face amount of debt \| €										€ 117,000,000
Stated interest rate (in percent)									1.14%	1.14%
Euro Senior Notes, Series B due 2028 \| Senior Notes
Debt Instrument
Long-term debt, gross			107,540,000	115,850,000
Face amount of debt \| €										€ 95,000,000
Stated interest rate (in percent)									1.83%	1.83%
U.S. Senior Notes, Series A and B \| Senior Notes
Debt Instrument
Face amount of debt									$ 125,000,000
Number of series \| series									2	2
USD Senior Notes, Series A due 2022 \| Senior Notes
Debt Instrument
Long-term debt, gross			25,000,000	25,000,000
Face amount of debt								$ 25,000,000
Stated interest rate (in percent)								3.03%
USD Senior Notes, Series B due 2027 \| Senior Notes
Debt Instrument
Long-term debt, gross			100,000,000	100,000,000
Face amount of debt								$ 100,000,000
Stated interest rate (in percent)								3.74%
US Senior Notes A and B Due 2025 and 2030 \| Senior Notes
Debt Instrument
Face amount of debt							$ 175,000,000
Number of series \| series							2
Debt issuance cost				1,800,000
USD Senior Notes, Series A due 2025 \| Senior Notes
Debt Instrument
Long-term debt, gross			50,000,000	50,000,000
Face amount of debt						$ 50,000,000
Stated interest rate (in percent)						3.48%
USD Senior Notes, Series B due 2030 \| Senior Notes
Debt Instrument
Long-term debt, gross			$ 125,000,000	$ 125,000,000
Face amount of debt						$ 125,000,000
Stated interest rate (in percent)						3.78%