GOODWILL AND OTHER INTANGIBLE ASSETS (Schedule of Other Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	May 31, 2019	May 31, 2018	Feb. 28, 2019
Finite-Lived Intangible Assets [Line Items]
Gross, Beginning balance	$ 106,437
Additions	29,100
Gross, Ending balance	135,537		$ 106,437
Accumulated Amortization, Beginning balance	59,272
Expense	3,040	$ 2,748
Accumulated Amortization, Ending balance	62,312		59,272
Effect of Foreign Currency Translation	(227)
Net ending	72,998		47,165
Net beginning	47,165
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross, Beginning balance	23,603
Additions	3,800
Gross, Ending balance	27,403		23,603
Accumulated Amortization, Beginning balance	18,253
Expense	725
Accumulated Amortization, Ending balance	18,978		18,253
Effect of Foreign Currency Translation	(65)
Net ending	8,360		5,350
Net beginning	$ 5,350
Developed Technology Rights [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period	2 years
Developed Technology Rights [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period	7 years
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period	10 years
Gross, Beginning balance	$ 40,091
Additions	1,600
Gross, Ending balance	41,691		40,091
Accumulated Amortization, Beginning balance	12,644
Expense	969
Accumulated Amortization, Ending balance	13,613		12,644
Effect of Foreign Currency Translation	(81)
Net ending	27,997		27,447
Net beginning	27,447
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Gross, Beginning balance	25,304
Additions
Gross, Ending balance	25,304		25,304
Accumulated Amortization, Beginning balance	21,307
Expense	419
Accumulated Amortization, Ending balance	21,726		21,307
Effect of Foreign Currency Translation
Net ending	3,578		3,997
Net beginning	$ 3,997
Customer Lists [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period	4 years
Customer Lists [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period	7 years
Dealer and Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross, Beginning balance	$ 16,850
Additions	23,700
Gross, Ending balance	40,550		16,850
Accumulated Amortization, Beginning balance	6,908
Expense	918
Accumulated Amortization, Ending balance	7,826		6,908
Effect of Foreign Currency Translation	(82)
Net ending	32,642		9,942
Net beginning	$ 9,942
Dealer and Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period	7 years
Dealer and Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period	12 years
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization period	5 years
Gross, Beginning balance	$ 589
Additions
Gross, Ending balance	589		589
Accumulated Amortization, Beginning balance	160
Expense	9
Accumulated Amortization, Ending balance	169		160
Effect of Foreign Currency Translation
Net ending	420		$ 429
Net beginning	$ 429