Acquisitions (Details) $ / shares in Units, € in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2018 USD ($) $ / shares	Nov. 30, 2017 USD ($) $ / shares	Nov. 30, 2018 USD ($) $ / shares	Nov. 30, 2017 USD ($) $ / shares	Feb. 28, 2018 USD ($)	Nov. 30, 2017 EUR (€)	Feb. 28, 2017 USD ($)
Depreciation and Amortization, Discontinued Operations				$ 2,939
Share-based Compensation			$ 393	445
Disposal Group, Including Discontinued Operation, Revenue		$ 0		91,824
Disposal Group, Including Discontinued Operation, Costs of Goods Sold		0		63,610
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)		0		28,214
Disposal Group, Including Discontinued Operation, Operating Expense		12		25,386
Disposal Group, Including Discontinued Operation, Operating Income (Loss)		(12)		2,828
Disposal Group, Including Discontinued Operation, Interest Expense		0		(279)
Disposal Group, Including Discontinued Operation, Other Income		7		145
Disposal Group, Including Discontinued Operation, Other Expense		7		134
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]		(5)		38,812
Discontinued Operation, Tax Effect of Discontinued Operation		363		6,470
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent		(368)	$ 0	32,342
Disposal Group, Including Discontinued Operation, General and Administrative Expense		$ 12		$ 14,688
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share | $ / shares	$ 0.00	$ (0.02)	$ 0.00	$ 1.34
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share | $ / shares	$ 0.00	$ (0.02)	$ 0.00	$ 1.34
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents							$ 6,844
Goodwill	$ 54,785		$ 54,785		$ 54,785
Capital Lease Obligations, Noncurrent	628		628		699
Deferred Compensation Liability, Classified, Noncurrent	$ 2,529		2,529		$ 3,369
Disposal Group, Including Discontinued Operation, Consideration		$ 177,000		$ 177,000		€ 148,500
Investment Foreign Currency, Contract, Foreign Currency Amount | €						€ 148,500
Capital Expenditure, Discontinued Operations				2,652
Capital Expenditures Incurred but Not yet Paid			0	1,993
Foreign Currency Transaction Gain (Loss), before Tax			$ (6,618)
Selling and Marketing Expense [Member]
Disposal Group, Including Discontinued Operation, Operating Expense		0		2,778
Other Operating Income (Expense) [Member]
Disposal Group, Including Discontinued Operation, Operating Expense		$ 0		7,920
Discontinued Operations, Disposed of by Sale [Member]
Capital Expenditures Incurred but Not yet Paid				1,916
Discontinued Operations [Member]
Share-based Compensation				$ 50