Acquisition of Donna Karan International (Details) - USD ($) $ in Thousands		Jul. 31, 2017	Jan. 31, 2017	Dec. 01, 2016	Jul. 31, 2016
Business Acquisition [Line Items]
Goodwill		$ 264,706	$ 269,262	$ 220,600	$ 49,864
Donna Karan International Inc. ("DKI")
Business Acquisition [Line Items]
Cash and cash equivalents		44,375
Accounts receivable	[1]	14,776
Inventories	[1]	13,716
Prepaid expenses & other current assets	[1]	22,235
Property, plant and equipment	[1]	15,414
Goodwill	[1]	214,156
Tradenames		370,000
Other intangibles		40,000
Other long-term assets		2,703
Total assets acquired		737,375
Accounts payable		(21,436)
Accrued expense	[1]	(39,087)
Income taxes payable		(3,443)
Other long-term liabilities		(3,631)
Total liabilities assumed		(67,597)
Total fair value of acquisition consideration (net of $40 million imputed debt discount)		$ 669,778

[1] In the three and six months ended July 31, 2017, the Company reduced goodwill by $3.8 million and $6.5 million, respectively, due to certain adjustments related to an unrecorded indemnification obligations from LVMH to us, asset reserves and fixed assets.