Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2016
Income Tax Disclosure [Abstract]
Tax at federal statutory rate	$ (3.2)	$ 1.4	$ (3.5)
Valuation allowances	5.5	(79.9)	(1.8)
U.S. legislative change	4.1	0.0	0.0
Foreign taxes at different rates	(0.5)	1.3	1.0
U.S. tax on foreign dividends	0.0	(0.4)	(2.2)
Non-deductible impairment	0.0	(6.9)	0.0
Executive stock compensation	0.2	0.3	0.0
Other permanent items	(0.2)	(0.1)	0.1
State and local taxes	(0.1)	(0.7)	(0.7)
Foreign withholding tax	(0.4)	(1.0)	(0.6)
Foreign non-deductible interest	(0.4)	(0.7)	(0.7)
French business tax	(0.6)	(0.5)	(0.5)
French legislation change	0.9	3.4	(1.6)
Non-taxable research and development	0.3	0.2	0.2
Tax equity adjustment	0.4	0.0	0.0
Other, net	0.2	(0.1)	0.0
Income Tax (Expense) Benefit	$ 6.2	$ (83.7)	$ (10.3)