Fair Value Measurements and Derivatives - Fair Value, by Balance Sheet Grouping (Details) - USD ($) $ in Thousands	Aug. 31, 2019	Feb. 28, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Prepaid expenses and other current assets	$ 9,605	$ 10,449
Derivative Assets and Liabilities	(162)	88
Designated as Hedging Instrument [Member] \| Foreign Exchange Forward [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Prepaid expenses and other current assets	261	172
Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other Liabilities	$ (423)	$ (84)

Net fair value of all derivative instruments designated as cash flow hedging instruments, which is ordinarily reflected within other comprehensive income.

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Amount of liabilities classified as other.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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