XML 20 R46.htm IDEA: XBRL DOCUMENT v2.4.0.6

Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 31, 2013
Income Taxes [Line Items]
Commercial foreign sourced income tax rate	11.60%
Undistributed earnings of foreign subsidiaries	$ 7.0

X

- Definition

Corporate Income Tax Rate

+ References

No definition available.

+ Details

Name:	giii_CorporateIncomeTaxRate
Namespace Prefix:	giii_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	giii_IncomeTaxesLineItems
Namespace Prefix:	giii_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the United States that are not subject to U.S. federal income taxes.

+ References

No definition available.

+ Details

Name:	us-gaap_UndistributedEarningsOfForeignSubsidiaries
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant