Accumulated Other Comprehensive (Loss) Income - Schedule of Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Nov. 30, 2019	Nov. 30, 2018
Accumulated Other Comprehensive Income Loss [Line Items]
Stockholders equity, beginning of period	$ 382,870	$ 391,984	$ 395,101	$ 423,767	$ 446,141	$ 450,118	$ 395,101	$ 450,118
Other comprehensive (loss) income before reclassifications							(1,316)
Reclassified from accumulated other comprehensive loss							(251)
Other comprehensive (loss) income, net of tax	(280)	(383)	(904)	(1,193)	1	(1,518)	(1,567)	(2,710)
Stockholders equity, end of period	383,017	382,870	391,984	433,302	423,767	446,141	383,017	433,302
Foreign Currency Translation Losses [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Stockholders equity, beginning of period			(16,222)				(16,222)
Other comprehensive (loss) income before reclassifications							(1,321)
Reclassified from accumulated other comprehensive loss							0
Other comprehensive (loss) income, net of tax							(1,321)
Stockholders equity, end of period	(17,543)						(17,543)
Pension Plan Adjustments, Net of Tax [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Stockholders equity, beginning of period			(798)				(798)
Other comprehensive (loss) income before reclassifications							25
Reclassified from accumulated other comprehensive loss							0
Other comprehensive (loss) income, net of tax							25
Stockholders equity, end of period	(773)						(773)
Derivatives Designated in a Hedging Relationship, Net of Tax [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Stockholders equity, beginning of period			76				76
Other comprehensive (loss) income before reclassifications							(20)
Reclassified from accumulated other comprehensive loss							(251)
Other comprehensive (loss) income, net of tax							(271)
Stockholders equity, end of period	(195)						(195)
Accumulated Other Comprehensive (Loss) Income [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Stockholders equity, beginning of period	(18,231)	(17,848)	(16,944)	(15,739)	(15,740)	(14,222)	(16,944)	(14,222)
Other comprehensive (loss) income, net of tax	(280)	(383)	(904)	(1,193)	1	(1,518)
Stockholders equity, end of period	$ (18,511)	$ (18,231)	$ (17,848)	$ (16,932)	$ (15,739)	$ (15,740)	$ (18,511)	$ (16,932)