RECNET ACCOUNTING PRONONCEMENTS (details) $ in Millions	12 Months Ended
Jan. 02, 2016 USD ($)
RECENT ACCOUNTING PRONOUNCEMENTS
Debt Issuance Cost Related To Term Loan	$ 3.9

Represent the carrying value of debt issuance cost related to the term loan

No definition available.

Name:	kate_DebtIssuanceCostRelatedToTermLoan
Namespace Prefix:	kate_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration