Long-Term Debt and Financing Liabilities (Details) (USD $)	Dec. 28, 2014	Dec. 29, 2013
Debt Instrument [Line Items]
Full-recourse factoring liabilities	$ 83,000ckp_FullRecourseFactoringLiabilities	$ 257,000ckp_FullRecourseFactoringLiabilities
Other capital leases with maturities through 2019	249,000us-gaap_CapitalLeaseObligations	1,365,000us-gaap_CapitalLeaseObligations
Total long-term debt	65,332,000us-gaap_LongTermDebt	91,622,000us-gaap_LongTermDebt
Less current portion	171,000us-gaap_LongTermDebtCurrent	435,000us-gaap_LongTermDebtCurrent
Total long-term portion	65,161,000us-gaap_LongTermDebtNoncurrent	91,187,000us-gaap_LongTermDebtNoncurrent
Long-term Debt, Weighted Average Interest Rate	1.50%	2.20%
Two Thousand Thirteen (2013) Senior Secured Credit Facility
Debt Instrument [Line Items]
Long-term revolving credit facility	65,000,000	90,000,000
Two Thousand Thirteen (2013) Senior Secured Credit Facility \| Senior Secured Credit Facility
Debt Instrument [Line Items]
Long-term revolving credit facility	65,000,000	90,000,000
Face value	$ 200,000,000

Full-recourse factoring liabilities

No definition available.

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- Definition

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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- Definition

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

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

Weighted average interest rate of long-term debt outstanding.

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- Definition

The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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