Supplemental Balance Sheet Information (Details 2) (USD $) In Thousands, unless otherwise specified	Aug. 31, 2014	Feb. 28, 2014
ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
Accrued compensation, benefits and payroll taxes	$ 36,485	$ 69,877
Accrued sales returns, discounts and allowances	29,666	25,297
Accrued warranty returns	22,492	19,269
Accrued advertising	20,350	16,414
Accrued product liability, legal and professional fees	7,944	5,705
Accrued royalties	7,310	5,712
Accrued property, sales and other taxes	7,325	6,835
Derivative liabilities, current	24	1,596
Liability for uncertain tax positions		453
Other	11,738	5,530
Total accrued expenses and other current liabilities	143,334	156,688
OTHER LIABILITIES, NONCURRENT
Deferred compensation liability	5,213	7,257
Liability for uncertain tax positions	11,001	13,471
Other liabilities	6,242	1,038
Total other liabilities, noncurrent	$ 22,456	$ 21,766