v3.5.0.2

Note 4 - Total Rental Expense Under Operating Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Revenue and Service Equipment [Member]
Lease and rent expense	$ 19,481	$ 9,109	$ 6,351
Office Facilities and Terminals [Member]
Lease and rent expense	6,741	5,041	3,353
Lease and rent expense	$ 26,222	$ 14,150	$ 9,704

X

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=cgi_RevenueAndServiceEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=cgi_OfficeFacilitiesAndTerminalsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: