GOODWILL AND OTHER INTANGIBLE ASSETS (Schedule of Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 31, 2014	Feb. 28, 2014
Other intangible assets:
Gross Carrying Amount	$ 40,329	$ 40,322
Accumulated Amortization	12,873	11,191
Net	27,456	29,131
Supply contract [Member]
Other intangible assets:
Amortization period	5 years
Gross Carrying Amount	2,220	2,220
Accumulated Amortization	914	803
Net	1,306	1,417
Developed/core technology [Member]
Other intangible assets:
Gross Carrying Amount	16,151	16,151
Accumulated Amortization	5,482	4,886
Net	10,669	11,265
Developed/core technology [Member] | Minimum [Member]
Other intangible assets:
Amortization period	2 years
Developed/core technology [Member] | Maximum [Member]
Other intangible assets:
Amortization period	7 years
Tradename [Member]
Other intangible assets:
Amortization period	7 years
Gross Carrying Amount	2,130	2,130
Accumulated Amortization	989	913
Net	1,141	1,217
Customer lists [Member]
Other intangible assets:
Gross Carrying Amount	19,438	19,438
Accumulated Amortization	5,283	4,394
Net	14,155	15,044
Customer lists [Member] | Minimum [Member]
Other intangible assets:
Amortization period	5 years
Customer lists [Member] | Maximum [Member]
Other intangible assets:
Amortization period	7 years
Covenants not to compete [Member]
Other intangible assets:
Amortization period	5 years
Gross Carrying Amount	262	262
Accumulated Amortization	162	153
Net	100	109
Patents [Member]
Other intangible assets:
Amortization period	5 years
Gross Carrying Amount	128	121
Accumulated Amortization	43	42
Net	$ 85	$ 79