Acquisitions (Details) $ / shares in Units, € in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2017 USD ($) $ / shares shares	Aug. 31, 2016 USD ($) $ / shares shares	Aug. 31, 2017 USD ($) $ / shares Rate shares	Aug. 31, 2016 USD ($) $ / shares shares	Aug. 31, 2017 EUR (€)	Apr. 18, 2017 USD ($)	Feb. 28, 2017 USD ($)	Feb. 29, 2016 USD ($)
Depreciation and Amortization, Discontinued Operations			$ 2,939	$ 3,020
Share-based Compensation			299	363
Disposal Group, Including Discontinued Operation, Revenue	$ 47,545	$ 40,937	91,824	82,492
Disposal Group, Including Discontinued Operation, Costs of Goods Sold	32,925	26,887	63,610	54,314
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)	14,620	14,050	28,214	28,178
Disposal Group, Including Discontinued Operation, Operating Expense	13,058	12,754	25,374	26,414
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	1,562	1,296	2,840	1,764
Disposal Group, Including Discontinued Operation, Interest Expense	(157)	(140)	(279)	(271)
Disposal Group, Including Discontinued Operation, Other Income	(150)	(41)	(138)	(73)
Disposal Group, Including Discontinued Operation, Other Expense	(7)	(181)	(141)	(344)
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	36,118	0	36,118	0
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]	37,673	1,115	38,817	1,420
Discontinued Operation, Tax Effect of Discontinued Operation	2,742	3,282	6,107	3,286
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	34,931	(2,167)	32,710	(1,866)
Disposal Group, Including Discontinued Operation, General and Administrative Expense	$ 7,680	$ 6,882	$ 14,676	$ 13,826
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share | $ / shares	$ 1.45	$ (0.09)	$ 1.35	$ (0.08)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share | $ / shares	$ 1.45	$ (0.09)	$ 1.35	$ (0.08)
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents		$ 3,403		$ 3,403			$ 6,844	$ 6,789
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory						$ 2,314
Business Combination, Consideration Transferred			$ 1,814
Revenue, Net	$ 113,470	118,325	228,293	232,225
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 15,083	$ 1,304	$ 10,178	$ (4,816)
Weighted Average Number of Shares Outstanding, Basic | shares	24,160,680	24,160,324	24,160,502	24,160,324
Cash and Cash Equivalents, at Carrying Value	$ 45,821		$ 45,821				956
Convertible Notes Payable	21,000		21,000
Accounts Receivable, Net, Current	70,956		70,956				79,971
Inventory, Net	142,053		142,053				122,352
Prepaid Expense and Other Assets, Current	23,543		23,543				12,332
Property, Plant and Equipment, Net	66,197		66,197				65,589
Goodwill	53,916		53,916			10	53,905
Intangible Assets, Net (Excluding Goodwill)	153,403		153,403				154,939
Other Assets, Noncurrent	6,541		6,541				1,699
Assets	594,817		594,817				668,486
Other Liabilities, Current	49,227		49,227				32,110
Accrued Income Taxes, Current	2,320		2,320				703
Capital Lease Obligations, Noncurrent	849		849				926
Other Liabilities, Noncurrent	$ 3,389		$ 3,389				2,125
Weighted Average Number of Shares Outstanding, Diluted | shares	24,160,680	24,242,447	24,160,502	24,255,341
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles						520
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets						2,844
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other						500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities						530
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities						1,030
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net						$ 1,814
Disposal Group, Including Discontinued Operation, Consideration	$ 177,000		$ 177,000		€ 148,500
Investment Foreign Currency, Contract, Foreign Currency Amount	148,500		148,500
Derivative Instruments Not Designated as Hedging Instruments, Loss			(6,618)
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net							10,670
Disposal Group, Including Discontinued Operation, Inventory, Current							30,701
Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current							7,261
Disposal Group, Including Discontinued Operation, Other Assets, Current							31
Disposal Group, Including Discontinued Operation, Assets, Current [Abstract]	0		0				55,507
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent							16,012
Disposal Group, Including Discontinued Operation, Goodwill, Noncurrent							49,307
Disposal Group, Including Discontinued Operation, Intangible Assets, Noncurrent							21,350
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent	0		0				86,669
Disposal Group, Including Discontinued Operation, Assets, Noncurrent							86,669
Disposal Group, Including Discontinued Operation, Accounts Payable, Current							14,899
Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current							10,366
Disposal Group, Including Discontinued Operation, Accrued Income Tax Payable, Current							2,374
Disposal Group, Including Discontinued Operation, Other Liabilities, Current							1,002
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]	0		0				28,641
Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities, Noncurrent							2,528
Disposal Group, Including Discontinued Operation, Postretirement Plan Benefit Obligation, Noncurrent							8,259
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent							380
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	0		0				11,641
Net Assets							101,894
Capital Expenditure, Discontinued Operations			2,652	$ 3,088
Capital Expenditures Incurred but Not yet Paid			$ 1,917	0
Minimum [Member]
Debt Instrument, Fee			1.35
Maximum [Member]
Debt Instrument, Fee			1.50
Eyelock [Member]
Revenue, Net	150	$ 64	$ 214	111
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(5,189)	(4,398)	(9,996)	(9,047)
Cash and Cash Equivalents, at Carrying Value	24		24				11
Line of Credit Facility, Maximum Borrowing Capacity	12,000		$ 12,000
Line of Credit Facility, Interest Rate During Period | Rate			10.00%
Accounts Receivable, Net, Current	108		$ 108				295
Inventory, Net	118		118				135
Prepaid Expense and Other Assets, Current	109		109				189
Property, Plant and Equipment, Net	232		232				276
Other Assets, Noncurrent	90		90				96
Assets	38,396		38,396				40,189
Other Liabilities, Current	5,154		5,154				3,506
Other Liabilities, Noncurrent	1,200		1,200				1,200
Liability [Member]
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent							$ 474
Selling and Marketing Expense [Member]
Disposal Group, Including Discontinued Operation, Operating Expense	1,396	1,190	2,778	2,473
Other Operating Income (Expense) [Member]
Disposal Group, Including Discontinued Operation, Operating Expense	$ 3,982	$ 4,682	7,920	10,115
Discontinued Operations, Disposed of by Sale [Member]
Capital Expenditures Incurred but Not yet Paid			1,910	0
Discontinued Operations [Member]
Share-based Compensation			$ 50	$ 37