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Property and Equipment, Net - Additional Information (Detail) (USD $)	12 Months Ended
	Mar. 28, 2015 Store	Mar. 29, 2014 Store	Mar. 30, 2013 Store
Property, Plant and Equipment [Line Items]
Depreciation and amortization of property and equipment	$ 131,400,000	$ 76,600,000	$ 52,700,000
Impairment of long-lived assets	$ 822,000	$ 1,332,000	$ 725,000
Number of stores impaired	2kors_NumberOfStoresImpaired	3kors_NumberOfStoresImpaired	1kors_NumberOfStoresImpaired

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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