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