Balance Sheet Accounts and Supplemental Disclosures, (As Restated for fiscal 2014 and 2013) - Narrative - Accounts Receivable (Details) - USD ($) $ in Millions	Nov. 30, 2015	Nov. 30, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Unbilled receivables	$ 33.7	$ 30.1

Amount of unbilled receivables under long-term contracts that have not been billed and were not billable.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 910
-SubTopic 310
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51673017&loc=d3e49336-109356

Name:	us-gaap_UnbilledReceivablesNotBillableAtBalanceSheetDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant