Bank Indebtedness and Long-Term Debt (Long Term Debt Table) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 30, 2017
Debt Instrument [Line Items]
Senior Secured Second Lien Notes	$ 216,081	$ 215,782
Principal Amount Outstanding On Loans Securitized	3,577	3,600
Capital Lease Obligations	5,102	5,651
Other Long-term Debt	3,000	3,000
Total Long-term and Current Term Debt	227,760	228,033
Current portion of long-term debt	2,190	2,228
Long-term Debt, Excluding Current Maturities, Total	225,570	225,805
Unamortized Debt Issuance Expense	$ 7,417	$ 7,716

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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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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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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