Acquisitions (Details) $ / shares in Units, € in Thousands, $ in Thousands		3 Months Ended									12 Months Ended
	Apr. 18, 2017 USD ($)	Feb. 28, 2019 USD ($) $ / shares	Nov. 30, 2018 USD ($) $ / shares	Aug. 31, 2018 USD ($) $ / shares	May 31, 2018 USD ($) $ / shares	Feb. 28, 2018 USD ($) $ / shares	Nov. 30, 2017 USD ($) $ / shares	Aug. 31, 2017 USD ($) $ / shares	May 31, 2017 USD ($) $ / shares	Feb. 28, 2017 USD ($) $ / shares	Feb. 28, 2019 USD ($) $ / shares	Feb. 28, 2018 USD ($) $ / shares	Aug. 31, 2017 EUR (€)	Feb. 29, 2016 USD ($)
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles												$ 0
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory												(870)
Depreciation and Amortization, Discontinued Operations										$ 5,908		2,939
Disposal Group, Including Discontinued Operation, Revenue										166,512		91,824
Disposal Group, Including Discontinued Operation, Costs of Goods Sold										109,027		63,610
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)										57,485		28,214
Disposal Group, Including Discontinued Operation, Operating Expense										49,489		25,397
Disposal Group, Including Discontinued Operation, Operating Income (Loss)										7,996		2,817
Disposal Group, Including Discontinued Operation, Interest Expense										(383)		(279)
Disposal Group, Including Discontinued Operation, Other Income										(126)		(145)
Disposal Group, Including Discontinued Operation, Other Expense										509		134
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax										0		36,118
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax										7,487		38,801
Discontinued Operation, Tax Effect of Discontinued Operation										1,421		4,183
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent		$ 0	$ 0	$ 0	$ 0	$ 2,276	$ (368)	$ 34,931	$ (2,221)	6,066	$ 0	34,618
Disposal Group, Including Discontinued Operation, General and Administrative Expense										$ 28,309		$ 14,699
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share | $ / shares		$ 0	$ 0	$ 0	$ 0	$ 0.09	$ (0.02)	$ 1.45	$ (0.09)	$ 0.25	$ 0.00	$ 1.43
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	$ 2,314					$ 1,444						$ 1,444
Goodwill	10	$ 54,785				54,785				$ 53,905	$ 54,785	$ 54,785		$ 53,905
Business Combination, Consideration Transferred	1,814
Fee payable for future net sales												2.00%
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net						880						$ 880
Derivative Instruments Not Designated as Hedging Instruments, Loss												6,618
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	520					520						520
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets												0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	2,844					2,844						2,844
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	500					500						500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	500					500						500
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred												0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	$ 2,344					$ 2,344						$ 2,344
Disposal Group, Including Discontinued Operation, Consideration								$ 177,000					€ 148,500
Investment Foreign Currency, Contract, Foreign Currency Amount | €													€ 148,500
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share | $ / shares		$ 0	$ 0	$ 0	$ 0	$ 0.09	$ (0.02)	$ 1.45	$ (0.09)	$ 0.25	$ 0.00	$ 1.41
Share-based Compensation										$ 753	$ 551	$ 552
Capital Expenditure, Discontinued Operations										5,122		2,652
Goodwill, Purchase Accounting Adjustments												870
Business Combination, Contingent Consideration, Liability						$ 530						530
Discontinued Operations [Member]
Share-based Compensation										84		50
Discontinued Operations, Disposed of by Sale [Member]
Capital Expenditures Incurred but Not yet Paid										0		1,916
Selling and Marketing Expense [Member]
Disposal Group, Including Discontinued Operation, Operating Expense										5,097		2,778
Other Operating Income (Expense) [Member]
Disposal Group, Including Discontinued Operation, Operating Expense										$ 16,083		7,920
Accounts Payable and Accrued Liabilities [Member]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities												0
Other Liabilities [Member]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities												$ 0