Employee Benefit Plans Additional Information (Details) - USD ($) $ in Millions	6 Months Ended
May 31, 2019	May 31, 2018
Retirement Benefits [Abstract]
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year	$ 6.4
Defined Benefit Plan, Plan Assets, Contributions by Employer	0.0
Defined Contribution Plan, Cost	$ 1.4	$ 1.4

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Name:	us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration