Supplemental Balance Sheet Information (Details 2) (USD $) In Thousands, unless otherwise specified	May 31, 2013	Feb. 28, 2013
ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
Accrued compensation, benefits and payroll taxes	$ 22,622	$ 34,265
Accrued sales returns, discounts and allowances	31,595	28,461
Accrued warranty returns	20,782	25,261
Accrued legal expenses and professional fees	8,957	9,061
Accrued royalties	5,579	7,731
Accrued advertising	10,939	6,778
Accrued property, sales and other taxes	6,562	5,729
Derivative liabilities, current	3,038	3,044
Other	13,992	13,733
Total accrued expenses and other current liabilities	124,066	134,063
OTHER LIABILITIES, NON-CURRENT
Deferred compensation liability	5,296	6,443
Liability for uncertain tax positions	15,665	15,759
Derivative liabilities	875	1,780
Other liabilities	1,705	1,760
Total other liabilities, non-current	$ 23,541	$ 25,742