Fair Value Measurements Cash Flow Hedging Activity (Details) $ in Thousands	3 Months Ended
	May 31, 2017 USD ($)	May 31, 2016 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Number of Foreign Currency Derivatives Held	0
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ (1,208)	$ (818)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	299	324
Derivative, Net Hedge Ineffectiveness Gain (Loss)	(52)	(50)
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	(44)	180
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	(114)
Derivative, Net Hedge Ineffectiveness Gain (Loss)	0	0
Mortgages [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Discontinuation of Interest Rate Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net	0	$ (114)
Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount of Foreign Currency Derivatives	34,260
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount of Foreign Currency Derivatives	$ 8,988