Benefit Plans - Additional Information (Detail) - USD ($) |
6 Months Ended | |
|---|---|---|
May 31, 2016 |
Nov. 30, 2015 |
|
| U.S Pension Plan [Member] | ||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Contributions made to pension plan | $ 3,000,000 | |
| Contributions expected to be made to pension plan | 0 | |
| German Pension Plan [Member] | ||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Investment in insurance contract | 15,600,000 | $ 15,300,000 |
| Contributions made to pension plan | 0 | |
| Contributions expected to be made to pension plan | $ 0 |