GOODWILL AND OTHER INTANGIBLE ASSETS (Schedule of Other Intangible Assets) (Details) - USD ($) $ in Thousands	6 Months Ended
	Aug. 31, 2015	Feb. 28, 2015
Other intangible assets:
Gross Carrying Amount	$ 41,377	$ 40,377
Accumulated Amortization	21,080	17,781
Net	$ 20,297	22,596
Supply contract [Member]
Other intangible assets:
Amortization period	5 years
Gross Carrying Amount	$ 2,220	2,220
Accumulated Amortization	1,463	1,247
Net	757	973
Developed/core technology [Member]
Other intangible assets:
Gross Carrying Amount	17,081	16,151
Accumulated Amortization	8,265	7,126
Net	$ 8,816	9,025
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	$ 2,140	2,130
Accumulated Amortization	1,369	1,217
Net	771	913
Customer lists [Member]
Other intangible assets:
Gross Carrying Amount	19,438	19,438
Accumulated Amortization	9,722	7,949
Net	$ 9,716	11,489
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	204	187
Net	$ 58	75
Patents [Member]
Other intangible assets:
Amortization period	5 years
Gross Carrying Amount	$ 236	176
Accumulated Amortization	57	55
Net	$ 179	$ 121