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Leases - Summary of Future Minimum Rental Payments Under Operating Leases (Parenthetical) (Detail)	12 Months Ended
	Nov. 30, 2014
Leases [Abstract]
Lease expiration date	Dec. 31, 2015

X

- Definition

Date which lease or group of leases is set to expire, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_LeasesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration