Bank Indebtedness and Long-Term Debt (Long term debt table) (Details) - USD ($) $ in Thousands	Oct. 01, 2016	Jan. 02, 2016	Oct. 09, 2015
Debt Instrument [Line Items]
Secured Long Term Debt	$ 310,000	$ 312,243
Capital Lease Obligations	8,162	9,245
Other Long-term Debt	1,481	1,507
Total Long-term and Current Term Debt	319,643	322,995
Current portion of long-term debt	2,159	1,773
Long-term Debt, Excluding Current Maturities, Total	$ 317,484	$ 321,222
Term Loan Facility [Member]
Debt Instrument [Line Items]
Secured Long Term Debt			$ 330,000

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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