CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)
Net sales	$ 3,180,796	$ 3,098,242	$ 3,226,728
Cost of goods sold	1,882,270	1,856,395	2,125,591
Gross profit	1,298,526	1,241,847	1,101,137
Selling, general and administrative expenses	969,812	924,223	833,151
Depreciation and amortization	27,444	27,523	27,762
Asset impairments	8,195	6,758	349,686
Operating profit (loss)	293,075	283,343	(109,462)
Other income (loss)	(4,374)	(3,149)	27,894
Interest and financing charges, net	(18,842)	(39,595)	(56,602)
Income (loss) before income taxes	269,859	240,599	(138,170)
Income tax expense (benefit)	76,566	65,859	(3,788)
Net income (loss)	193,293	174,740	(134,382)
Less: Loss attributable to noncontrolling interests	(273)	(1,428)	(1,321)
Net income (loss) attributable to G-III Apparel Group, Ltd.	$ 193,566	$ 176,168	$ (133,061)
Basic:
Net income (loss) per common share	$ 4.35	$ 3.84	$ (2.79)
Weighted average number of shares outstanding (in shares)	44,450	45,859	47,653
Diluted:
Net income (loss) per common share	$ 4.2	$ 3.75	$ (2.79)
Weighted average number of shares outstanding (in shares)	46,116	47,000	47,653
Net income (loss)	$ 193,293	$ 174,740	$ (134,382)
Other comprehensive income (loss):
Foreign currency translation adjustments	(22,350)	8,462	2,965
Other comprehensive income (loss):	(22,350)	8,462	2,965
Comprehensive income (loss)	170,943	183,202	(131,417)
Comprehensive loss attributable to noncontrolling interests:
Net loss	(273)	(1,428)	(1,321)
Foreign currency translation adjustments	38	(16)	(89)
Comprehensive loss attributable to noncontrolling interests	(235)	(1,444)	(1,410)
Comprehensive income (loss) attributable to G-III Apparel Group, Ltd.	$ 170,708	$ 181,758	$ (132,827)