Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions	Feb. 28, 2017	Nov. 30, 2016
German Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment in insurance contract	$ 15.0	$ 15.2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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