SEGMENTS - Information Regarding Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 31, 2020	Oct. 31, 2019	Jul. 31, 2019	Apr. 30, 2019	Jan. 31, 2019	Oct. 31, 2018	Jul. 31, 2018	Apr. 30, 2018	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
Segment Reporting Information [Line Items]
Net sales	$ 754,617	$ 1,128,403	$ 643,892	$ 633,552	$ 766,785	$ 1,072,982	$ 624,698	$ 611,743	$ 3,160,464	$ 3,076,208	$ 2,806,938
Cost of goods sold									2,042,524	1,969,099	1,752,199
Gross profit	$ 251,088	$ 399,019	$ 231,769	$ 236,064	$ 258,938	$ 382,100	$ 231,544	$ 234,527	1,117,940	1,107,109	1,054,739
Selling, general and administrative expenses									832,180	834,763	855,247
Depreciation and amortization									38,735	38,819	37,783
Asset impairments									19,371	2,813	7,884
Operating profit									227,654	230,714	153,825
Operating Segments | Wholesale
Segment Reporting Information [Line Items]
Net sales									2,862,889	2,716,958	2,454,008
Cost of goods sold									1,925,062	1,837,335	1,650,084
Gross profit									937,827	879,623	803,924
Selling, general and administrative expenses									604,377	570,290	571,164
Depreciation and amortization									30,806	29,644	27,679
Asset impairments									412		2,310
Operating profit									302,232	279,689	202,771
Operating Segments | Retail
Segment Reporting Information [Line Items]
Net sales									385,910	476,764	502,494
Cost of goods sold									205,797	249,278	251,679
Gross profit									180,113	227,486	250,815
Selling, general and administrative expenses									227,803	264,473	284,083
Depreciation and amortization									7,929	9,175	10,104
Asset impairments									18,959	2,813	5,574
Operating profit									(74,578)	(48,975)	(48,946)
Elimination
Segment Reporting Information [Line Items]
Net sales									(88,335)	(117,514)	(149,564)
Cost of goods sold									$ (88,335)	$ (117,514)	$ (149,564)