GOODWILL AND OTHER INTANGIBLE ASSETS (Schedule of Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2015	Feb. 28, 2014
Other intangible assets:
Gross Carrying Amount	$ 40,377	$ 40,322
Accumulated Amortization	17,781	11,191
Net	22,596	29,131
Supply contract [Member]
Other intangible assets:
Amortization period	5 years
Gross Carrying Amount	2,220	2,220
Accumulated Amortization	1,247	803
Net	973	1,417
Developed/core technology [Member]
Other intangible assets:
Gross Carrying Amount	16,151	16,151
Accumulated Amortization	7,126	4,886
Net	9,025	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	1,217	913
Net	913	1,217
Customer lists [Member]
Other intangible assets:
Gross Carrying Amount	19,438	19,438
Accumulated Amortization	7,949	4,394
Net	11,489	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	187	153
Net	75	109
Patents [Member]
Other intangible assets:
Amortization period	5 years
Gross Carrying Amount	176	121
Accumulated Amortization	55	42
Net	$ 121	$ 79