Income Taxes - Provision of Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2013
Income (loss) before income taxes:
Domestic	$ 76,434	$ 83,495	$ 92,334
Foreign	13,696	10,416	2,035
Income before income taxes	90,130	93,911	94,369
Current provision:
Federal	3,770us-gaap_CurrentFederalTaxExpenseBenefit	28,901us-gaap_CurrentFederalTaxExpenseBenefit	26,330us-gaap_CurrentFederalTaxExpenseBenefit
Foreign	3,025us-gaap_CurrentForeignTaxExpenseBenefit	1,903us-gaap_CurrentForeignTaxExpenseBenefit	(2,600)us-gaap_CurrentForeignTaxExpenseBenefit
State and Local	2,575	4,382	4,136
Total current provision for income taxes	9,370us-gaap_CurrentIncomeTaxExpenseBenefit	35,186us-gaap_CurrentIncomeTaxExpenseBenefit	27,866us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred provision (benefit):
Federal	15,455	(2,143)	2,024
Foreign	(858)	1,230	3,455
State and Local	1,220	41	568
Deferred Income Tax Expense (Benefit)	15,817us-gaap_DeferredIncomeTaxExpenseBenefit	(872)us-gaap_DeferredIncomeTaxExpenseBenefit	6,047us-gaap_DeferredIncomeTaxExpenseBenefit
Total provision for income taxes	$ 25,187us-gaap_IncomeTaxExpenseBenefit	$ 34,314us-gaap_IncomeTaxExpenseBenefit	$ 33,913us-gaap_IncomeTaxExpenseBenefit

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