Benefit Plans - Additional Information (Detail) - USD ($)	3 Months Ended
	Feb. 29, 2016	Nov. 30, 2015
U.S Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Contributions made to pension plan	$ 0
Contributions expected to be made to pension plan	3,000,000
German Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment in insurance contract	15,500,000	$ 15,300,000
Contributions made to pension plan	0
Contributions expected to be made to pension plan	$ 0