Balance Sheet Components - Schedule of Financing Receivables (Parenthetical) (Details) - USD ($) $ in Millions	Feb. 28, 2017	Nov. 30, 2016
Balance Sheet Related Disclosures [Abstract]
Allowance for losses on financing receivables	$ 0.6	$ 0.7
Other trade accounts receivable	$ 3.1	$ 2.9

A valuation allowance for financing receivables that are expected to be uncollectible.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant