Income Taxes (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended				9 Months Ended		12 Months Ended
	Dec. 31, 2017	Aug. 31, 2019	Feb. 28, 2019	Aug. 31, 2018	Feb. 28, 2018	Aug. 31, 2019	Aug. 31, 2018	Nov. 30, 2018
Income Taxes [Line Items]
GILTI Transition Tax			$ 27.7
Income tax (benefit) expense		$ (0.6)		$ (2.3)		$ (1.4)	$ 0.3
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%					21.00%
Reversal of VA against AMT from Legislation							0.9
Deferred Foreign Income Tax Expense (Benefit)					$ (0.8)
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax		0.3				$ 0.3
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		0.9		$ 0.4		2.7	13.4
Deferred Tax Assets, Tax Credit Carryforwards, Foreign, Indefinite Carryforward Period		31.8				31.8
Domestic Tax Authority [Member]
Income Taxes [Line Items]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount							$ 4.1
Operating Loss Carryforwards		75.3				75.3
Deferred Tax Assets, Capital Loss Carryforwards		8.1				8.1
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest								$ (11.7)
Foreign Tax Authority [Member]
Income Taxes [Line Items]
Operating Loss Carryforwards		51.7				51.7
Tax Credit Carryforward, Amount		0.1				0.1
State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Operating Loss Carryforwards		$ 78.9				$ 78.9