SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2)	12 Months Ended
Dec. 28, 2013
Allowance for Doubtful Accounts
Minimum period after receivable balances are past due that accounts are reviewed individually for collectability	90 days

The minimum period after receivable balances are past due that accounts are reviewed individually for collectability.

No definition available.

Name:	cach_AccountsReceivableToBeReviewedIndividuallyForCollectabilityPeriodMinimum
Namespace Prefix:	cach_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration