RETIREMENTS OF LONG-LIVED ASSETS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2012
Impairment or Disposal of Tangible Assets Disclosure [Abstract]
Losses on retirements of long-lived assets	$ 10,148us-gaap_AssetImpairmentCharges	$ 16,607us-gaap_AssetImpairmentCharges	$ 11,143us-gaap_AssetImpairmentCharges
Less: cash portion of losses on asset retirements	7,504	6,584	3,088
Non-cash losses on retirements of long-lived assets	$ 2,644	$ 10,023	$ 8,055

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228

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