Business Segments and International Operations - Revenue from External Customers from Different Geographical Areas (Details) - USD ($) $ in Thousands	3 Months Ended
Feb. 28, 2021	Feb. 29, 2020
Revenue from External Customer [Line Items]
Segment revenue	$ 121,280	$ 109,683
North America
Revenue from External Customer [Line Items]
Segment revenue	71,505	65,413
EMEA
Revenue from External Customer [Line Items]
Segment revenue	40,240	34,988
Latin America
Revenue from External Customer [Line Items]
Segment revenue	3,493	4,000
Asia Pacific
Revenue from External Customer [Line Items]
Segment revenue	$ 6,042	$ 5,282

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details