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Description of Business and Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2015
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Other Research and Development Expense	$ 17.7	$ 18.9	$ 20.8
Research and Development Expense	6.1	7.5	8.2
Derivative, Notional Amount	16.5	9.8
Foreign Currency Contract, Asset, Fair Value Disclosure	0.1	0.1
Allowance for doubtful accounts	$ 3.3	$ 2.9	0.8	$ 1.3
Percentage of LIFO Inventory	45.90%	52.10%
Reserve for inventory obsolescence	$ (6.9)	$ (6.4)
Goodwill	70.9	66.3	80.2
Goodwill, Impairment Loss		19.6
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	1.5
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments	15.6
Cumulative Effect of New Accounting Principle in Period of Adoption	6.9	(2.9)
Performance Materials [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Goodwill	$ 0.0	0.0	$ 19.6
Goodwill, Impairment Loss		19.6
Minimum [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Finite-lived intangible asset useful life	3 years
Maximum [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Finite-lived intangible asset useful life	53 years
Foreign Exchange Contract [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Derivative, Notional Amount	$ 16.5	$ 9.8
Trademarks [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 1.5
Land [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Description of Lessee Leasing Arrangements, Capital Leases	P18Y
Building [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Description of Lessee Leasing Arrangements, Capital Leases	P20Y