XML 69 R37.htm IDEA: XBRL DOCUMENT
v3.7.0.1

INVENTORIES (Detail textuals) $ in Millions | Jan. 31, 2017 USD ($)
--- | ---
Inventory Disclosure [Abstract] |
Inventory held on consignment | $ 2.8

X
- Definition Represents inventory held on consignment on reporting date. + References No definition available. + Details
Name: | giii_InventoryHeldOnConsignment
Namespace Prefix: | giii_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration