Revenue - Additional Information (Detail) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Feb. 29, 2020 USD ($)	Feb. 29, 2020 USD ($) Segment	May 31, 2019 USD ($) Segment	Nov. 30, 2019 USD ($)
Revenue From Contract With Customer [Abstract]
Number of reportable segments | Segment		4	3
Revenue performance obligation description of payment terms		Payment terms and conditions vary by contract type, although our customers’ payment terms generally include a requirement to pay within 30 to 60 days of fulfilling our performance obligations.
Revenue, Practical Expedient, Financing Component [true false]		false
Net contract assets (liabilities)	$ (1,216)	$ (3,194)
Long-term deferred revenue	$ 67,300	$ 67,300	$ 66,500	$ 67,100