Consolidated Statements of Stockholders' Equity (USD $) In Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Common Stock Held in Treasury
Balance at Jan. 31, 2010	$ 232,210	$ 192	$ 137,764	$ (36)	$ 95,260	$ (970)
Equity awards exercised/vested	2,786	5	2,781
Tax benefit from exercise/vesting of equity awards	4,356		4,356
Amortization of share-based compensation	3,314		3,314
Stock warrants exercised	4,129	4	4,125
Effect of exchange rate changes	17			17
Net income attributable to G-III	56,682				56,682
Balance at Jan. 31, 2011	303,494	201	152,340	(19)	151,942	(970)
Equity awards exercised/vested	619	2	617
Tax benefit from exercise/vesting of equity awards	1,945		1,945
Amortization of share-based compensation	5,200		5,200
Effect of exchange rate changes	23			23
Net income attributable to G-III	49,620				49,620
Treasury share purchase	(2,929)					(2,929)
Balance at Jan. 31, 2012	357,972	203	160,102	4	201,562	(3,899)
Equity awards exercised/vested	1,425	3	1,422
Tax benefit from exercise/vesting of equity awards	1,870		1,870
Amortization of share-based compensation	7,738		7,738
Effect of exchange rate changes	3,519			3,519
Net income attributable to G-III	56,875				56,875
Balance at Jan. 31, 2013	$ 429,399	$ 206	$ 171,132	$ 3,523	$ 258,437	$ (3,899)