Description of Business and Summary of Significant Accounting Policies Fair Value Notes (Details) $ in Thousands	12 Months Ended
	Feb. 28, 2019 USD ($)	Feb. 28, 2018 USD ($)	Jul. 20, 2015 Rate
Maximum length of time - recognition of settled forward contracts into earnings	15 months
Derivative, Fixed Interest Rate | Rate			3.48%
Foreign currency contracts terminated	0
Prepaid expenses and other current assets	$ 10,449	$ 14,007
Derivative Assets	88	262
Foreign Exchange Forward [Member]
Notional Amount of Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	9,600
Interest Rate Swap [Member]
Notional Amount of Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	8,112
Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	708	(1,635)
Accrued Liabilities	0	(227)
Prepaid expenses and other current assets	172	0
Derivative, Net Hedge Ineffectiveness Gain (Loss)	46	(48)
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion	(13)	(297)
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(49)	263
Other Liabilities	(84)	(35)
Derivative, Net Hedge Ineffectiveness Gain (Loss)	0	0
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion	$ 0	$ 0
Maximum [Member]
Derivative, Remaining Maturity	12 months
Minimum [Member]
Derivative, Remaining Maturity	1 month