Goodwill and Intangible Assets - Schedule of Intangible Assets, Excluding Goodwill (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Feb. 28, 2019
Goodwill And Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 90,213	$ 90,449
Finite-Lived Intangible Assets, Accumulated Amortization	50,999	45,955
Finite-Lived Intangible Assets, Net	39,214	44,494
Intangible assets, net	114,006	119,449
Trademarks [Member]
Goodwill And Intangible Assets [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)	74,792	74,955
Customer Relationships [Member]
Goodwill And Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	49,524	49,743
Finite-Lived Intangible Assets, Accumulated Amortization	32,058	29,746
Finite-Lived Intangible Assets, Net	17,466	19,997
Trademarks and Tradenames [Member]
Goodwill And Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	485	485
Finite-Lived Intangible Assets, Accumulated Amortization	428	413
Finite-Lived Intangible Assets, Net	57	72
Patented Technology [Member]
Goodwill And Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	31,290	31,290
Finite-Lived Intangible Assets, Accumulated Amortization	11,564	9,523
Finite-Lived Intangible Assets, Net	19,726	21,767
Patents [Member]
Goodwill And Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	5,373	5,390
Finite-Lived Intangible Assets, Accumulated Amortization	3,495	2,907
Finite-Lived Intangible Assets, Net	1,878	2,483
Licensing Agreements [Member]
Goodwill And Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,400	1,400
Finite-Lived Intangible Assets, Accumulated Amortization	1,400	1,400
Finite-Lived Intangible Assets, Net	0	0
Contractual Rights [Member]
Goodwill And Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2,141	2,141
Finite-Lived Intangible Assets, Accumulated Amortization	2,054	1,966
Finite-Lived Intangible Assets, Net	$ 87	$ 175