Long-Term Debt (Debt Schedule) (Details) - USD ($) $ in Thousands	Sep. 28, 2019	Dec. 29, 2018
Debt Disclosure [Abstract]
Principal amount	$ 158,125	$ 263,033
Unamortized original issue discount and debt costs	(1,699)	(3,386)
Less: Current portion of long-term debt	(17,196)	(8,290)
Long-term debt, net of current portion and unamortized debt issue costs	$ 139,230	$ 251,357

No definition available.

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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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Amount, after accumulated amortization, of debt discount.

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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 of long-term debt and lease obligation, classified as current.

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