Information Regarding Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 30, 2013		Apr. 30, 2012
Segment Reporting Information [Line Items]
Net sales	$ 272,615		$ 229,449
Cost of goods sold	180,223		160,759
Gross profit	92,392		68,690
Selling, general and administrative	85,828		66,614
Depreciation and amortization	3,121		2,053
Operating profit (loss)	3,443		23
Wholesale Licensed
Segment Reporting Information [Line Items]
Net sales	180,507		156,955
Cost of goods sold	130,302		116,663
Gross profit	50,205		40,292
Selling, general and administrative	46,257		39,513
Depreciation and amortization	485		502
Operating profit (loss)	3,463		277
Wholesale non-licensed
Segment Reporting Information [Line Items]
Net sales	60,689		47,337
Cost of goods sold	41,495		35,683
Gross profit	19,194		11,654
Selling, general and administrative	19,298		10,097
Depreciation and amortization	1,940		982
Operating profit (loss)	(2,044)		575
Retail
Segment Reporting Information [Line Items]
Net sales	45,250		36,135
Cost of goods sold	22,211		19,391
Gross profit	23,039		16,744
Selling, general and administrative	20,335		17,004
Depreciation and amortization	696		569
Operating profit (loss)	2,008		(829)
Elimination
Segment Reporting Information [Line Items]
Net sales	(13,831)	[1]	(10,978)	[1]
Cost of goods sold	(13,785)	[1]	(10,978)	[1]
Gross profit	(46)	[1]
Selling, general and administrative	(62)	[1]
Operating profit (loss)	$ 16	[1]

[1] Represents intersegment sales to the Company's retail operations.