Description of Business and Summary of Significant Accounting Policies Sales Incentive Table (Details) - USD ($) $ in Thousands	12 Months Ended
Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015	Feb. 28, 2014
Sales Incentives [Abstract]
Accrued Marketing Costs, Current	$ 13,154	$ 12,439	$ 14,097	$ 17,401
Accruals of Sales Incentives	36,413	28,428	34,159
Payments and Credits of Sales Incentives	(35,590)	(30,009)	(37,352)
Reversals for Unearned Sales Incentives	(108)	(77)	(103)
Reversals for Unclaimed Sales Incentives	$ 0	$ 0	$ (8)

Carrying value as of the balance sheet date of obligations incurred through that date and payable for the marketing, trade and selling of the entity's goods and services. Marketing costs would include expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services; costs of public relations and corporate promotions; and obligations incurred and payable for sales discounts, rebates, price protection programs, etc. offered to customers and under government programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

No definition available.

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Data Type:	xbrli:monetaryItemType
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