Nature of Business and Summary of Significant Accounting Policies (Schedule of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of year	$ 412,489	$ 346,013	$ 330,282
Other comprehensive (loss) income	(2,792)	335	(2,804)
Balance, end of year	398,504	412,489	346,013
Total
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of year	(32,443)	(32,778)	(29,974)
Other comprehensive (loss) income	(2,792)	335	(2,804)
Balance, end of year	(35,235)	(32,443)	(32,778)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of year	(30,055)	(27,616)
Other comprehensive (loss) income	(8,468)	(2,439)
Balance, end of year	(38,523)	(30,055)	(27,616)
Unrealized Gains (Losses) on Investments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of year	(49)	14
Other comprehensive (loss) income	(12)	(63)
Balance, end of year	(61)	(49)	14
Unrealized (Losses) Gains on Hedging Activity
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of year	(2,339)	(5,176)
Other comprehensive (loss) income	5,688	2,837
Balance, end of year	$ 3,349	$ (2,339)	$ (5,176)