Employee Benefit Plans Additional Information (Details) - USD ($)	3 Months Ended
	Feb. 28, 2019	Feb. 28, 2018
Retirement Benefits [Abstract]
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year	$ 6,400,000
Defined Benefit Plan, Plan Assets, Contributions by Employer	0
Defined Contribution Plan, Cost	$ 700,000	$ 800,000