Long-Term Debt and Financing Liabilities (Financing Liability) (Details) (USD $)	12 Months Ended
Dec. 28, 2014	Dec. 29, 2013
Debt Disclosure [Abstract]
FINANCING LIABILITY	$ 33,094,000ckp_DeferredRevenueFinancingArrangement	$ 35,068,000ckp_DeferredRevenueFinancingArrangement
Imputed non-cash interest (percent)	6.365%
Interest expense recognized related to financing liability	$ 2,200,000	$ 2,100,000

Financing Arrangement, Imputed Interest on Financing Liability

No definition available.

Name:	ckp_FinancingArrangementImputedInterestonFinancingLiability
Namespace Prefix:	ckp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant