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EQUITY INVESTMENT (Detail Textuals) € in Millions	1 Months Ended				12 Months Ended
	Aug. 31, 2017 USD ($)	Feb. 29, 2016 USD ($)	Feb. 29, 2016 EUR (€)	Jun. 30, 2015 USD ($)	Jan. 31, 2018 USD ($)
Karl Lagerfeld Holding B.V.
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interest (G III owns)		19.00%	19.00%		19.00%
Amount paid to acquired interest in joint venture		$ 35,400,000	€ 32.5
KL North America
Schedule of Equity Method Investments [Line Items]
Percent of interest acquired in joint venture				49.00%
Amount paid to acquired interest in joint venture				$ 25,000,000
Amlon Capital B.V. ("Amlon")
Schedule of Equity Method Investments [Line Items]
Amount paid to acquired interest in joint venture					$ 10,000,000
Joint venture	49.00%
Equity issued in joint venture					$ 25,000,000
Company funded joint venture agreement	$ 49,000
KLNA
Schedule of Equity Method Investments [Line Items]
Percent of interest acquired in joint venture					49.00%

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 13
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