STREAMLINING INITIATIVES (Details) $ in Thousands	3 Months Ended	6 Months Ended	9 Months Ended
	Oct. 03, 2015 USD ($)	Jul. 04, 2015 item	Oct. 01, 2016 USD ($)	Oct. 03, 2015 USD ($)
STREAMLINING INITIATIVES
Number of partnered stores closed | item		3
Expected payment of accrued streamlining costs in the next 12 months			$ 1,300
Expenses associated with streamlining actions	$ 7,030		0	$ 33,025
Non cash pretax charges Asset write-downs				7,700
Roll forward of liability for streamlining initiatives
Balance at the beginning of the period			10,509
Spending			(5,749)
Balance at the end of the period			4,760
Other
STREAMLINING INITIATIVES
Expenses associated with streamlining actions	1,199			4,423
KATE SPADE North America | Reportable Segments
STREAMLINING INITIATIVES
Expenses associated with streamlining actions	4,343			17,603
Kate Spade International | Reportable Segments
STREAMLINING INITIATIVES
Expenses associated with streamlining actions	1,517			9,164
Adelington Design Group | Reportable Segments
STREAMLINING INITIATIVES
Expenses associated with streamlining actions	$ (29)			1,835
Payroll and Related Costs
STREAMLINING INITIATIVES
Expenses associated with streamlining actions				12,400
Roll forward of liability for streamlining initiatives
Balance at the beginning of the period			2,338
Spending			(2,325)
Balance at the end of the period			13
Asset Write Downs
STREAMLINING INITIATIVES
Expenses associated with streamlining actions				7,400
Contract Termination Costs
STREAMLINING INITIATIVES
Expenses associated with streamlining actions				11,200
Roll forward of liability for streamlining initiatives
Balance at the beginning of the period			4,793
Spending			(1,231)
Balance at the end of the period			3,562
Other Costs
STREAMLINING INITIATIVES
Expenses associated with streamlining actions				$ 2,000
Roll forward of liability for streamlining initiatives
Balance at the beginning of the period			3,378
Spending			(2,193)
Balance at the end of the period			$ 1,185