Acquisitions (Details) $ / shares in Units, € in Thousands, $ in Thousands		3 Months Ended
	Apr. 18, 2017 USD ($)	May 31, 2018 USD ($) $ / shares	May 31, 2017 USD ($) $ / shares	Feb. 28, 2018 USD ($)	Aug. 31, 2017 USD ($)	Aug. 31, 2017 EUR (€)	Feb. 28, 2017 USD ($)
Depreciation and Amortization, Discontinued Operations			$ 1,406
Share-based Compensation		$ 107	142
Disposal Group, Including Discontinued Operation, Revenue			44,279
Disposal Group, Including Discontinued Operation, Costs of Goods Sold			30,685
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)			13,594
Disposal Group, Including Discontinued Operation, Operating Expense			12,316
Disposal Group, Including Discontinued Operation, Operating Income (Loss)			1,278
Disposal Group, Including Discontinued Operation, Interest Expense			(122)
Disposal Group, Including Discontinued Operation, Other Income			(12)
Disposal Group, Including Discontinued Operation, Other Expense			134
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]			1,144
Discontinued Operation, Tax Effect of Discontinued Operation			3,366
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent		$ 0	(2,222)
Disposal Group, Including Discontinued Operation, General and Administrative Expense			$ 6,996
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share | $ / shares		$ 0.00	$ (0.09)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share | $ / shares		$ 0.00	$ (0.09)
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents			$ 5,085				$ 6,844
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	$ 1,444
Business Combination, Consideration Transferred	1,814
Goodwill	880	$ 54,785		$ 54,785
Capital Lease Obligations, Noncurrent		852		699
Deferred Compensation Liability, Classified, Noncurrent		2,769		$ 3,369
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, Liabilities	500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	2,344
Disposal Group, Including Discontinued Operation, Consideration					$ 177,000	€ 148,500
Capital Expenditure, Discontinued Operations			1,222
Capital Expenditures Incurred but Not yet Paid		$ 0	1,917
Fee payable for future net sales		2.00%
Business Combination, Contingent Consideration, Liability	$ 530
Selling and Marketing Expense [Member]
Disposal Group, Including Discontinued Operation, Operating Expense			1,382
Other Operating Income (Expense) [Member]
Disposal Group, Including Discontinued Operation, Operating Expense			3,938
Discontinued Operations, Disposed of by Sale [Member]
Capital Expenditures Incurred but Not yet Paid			1,802
Discontinued Operations [Member]
Share-based Compensation			$ 23