XML 170 R61.htm IDEA: XBRL DOCUMENT

Rentals Under Noncancellable Operating Leases (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	May 31, 2013
Property Subject to or Available for Operating Lease [Line Items]
Operating lease gross	$ 15,215
Accumulated depreciation	4,242
Net book value	$ 10,973
Minimum
Property Subject to or Available for Operating Lease [Line Items]
Lease Period	1 year
Maximum
Property Subject to or Available for Operating Lease [Line Items]
Lease Period	3 years

The amount of accumulated depreciation, by major property class, recorded on property subject to or available for lease as of the balance sheet date.

The gross amount of lessor property subject to or available for lease as of the balance sheet date.

The amount of property, by major property class, net of accumulated depreciation, subject to or available for lease as of the balance sheet date.