Income Taxes (Details) $ in Millions	3 Months Ended
Feb. 28, 2019 USD ($)
Income Tax Disclosure [Abstract]
Provisional income tax benefit	$ 1.4

Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit)

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration