Debt and Credit Lines Amounts Due Banks (Details) - USD ($) $ in Millions	Nov. 30, 2016	Nov. 30, 2015
Debt Instrument [Line Items]
Capital Lease Obligations, Current	$ 0.7	$ 0.5
Loans Payable to Bank Current	4.2	2.5
Term Loan B [Member]
Debt Instrument [Line Items]
Loans Payable to Bank Current	3.5	0.0
Term Loan [Member]
Debt Instrument [Line Items]
Loans Payable to Bank Current	0.0	$ 2.0
Performance Chemicals India [Member] \| Unsecured Debt [Member] \| Foreign subsidiaries borrowings [Member]
Debt Instrument [Line Items]
Loans Payable to Bank Current	$ 6.5

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45023-112735

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