CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)
Net sales	$ 3,226,728	$ 2,766,538	$ 2,055,146
Cost of goods sold	2,125,591	1,778,349	1,310,704
Gross profit	1,101,137	988,189	744,442
Selling, general and administrative expenses	833,151	648,015	605,102
Depreciation and amortization	27,762	27,626	38,625
Asset impairments, net of gain on lease terminations	349,686	1,455	17,873
Operating profit (loss)	(109,462)	311,093	82,842
Other income	27,894	9,549	3,238
Interest and financing charges, net	(56,602)	(49,666)	(50,354)
Income (loss) before income taxes	(138,170)	270,976	35,726
Income tax expense (benefit)	(3,788)	70,875	12,203
Net income (loss)	(134,382)	200,101	23,523
Less: Loss attributable to noncontrolling interests	(1,321)	(492)	(22)
Net income (loss) attributable to G-III Apparel Group, Ltd.	$ (133,061)	$ 200,593	$ 23,545
Basic:
Net income (loss) per common share	$ (2.79)	$ 4.14	$ 0.49
Weighted average number of shares outstanding (in shares)	47,653	48,426	48,242
Diluted:
Net income (loss) per common share	$ (2.79)	$ 4.05	$ 0.48
Weighted average number of shares outstanding (in shares)	47,653	49,516	48,781
Other comprehensive loss:
Foreign currency translation adjustments	$ 2,965	$ (12,456)	$ (15,885)
Other comprehensive loss	2,965	(12,456)	(15,885)
Comprehensive income (loss)	(131,417)	187,645	7,638
Comprehensive loss attributable to noncontrolling interests:
Net loss	(1,321)	(492)	(22)
Foreign currency translation adjustments	(89)	21	(29)
Comprehensive loss attributable to noncontrolling interests	(1,410)	(471)	(51)
Comprehensive income (loss) attributable to G-III Apparel Group, Ltd.	$ (132,827)	$ 187,174	$ 7,587