Supplemental Balance Sheet Information (Details 2) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2014	Feb. 28, 2014
ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
Accrued compensation, benefits and payroll taxes	$ 41,994	$ 69,877
Accrued sales returns, discounts and allowances	35,817	25,297
Accrued warranty returns	25,245	19,269
Accrued advertising	24,970	16,414
Accrued product liability, legal and professional fees	6,429	5,705
Accrued royalties	9,214	5,712
Accrued property, sales and other taxes	9,624	6,835
Derivative liabilities, current		1,596
Liability for uncertain tax positions		453
Other	10,804	5,530
Total accrued expenses and other current liabilities	164,097	156,688
OTHER LIABILITIES, NON CURRENT
Deferred compensation liability	8,412	7,257
Liability for uncertain tax positions	10,846	13,471
Other liabilities	6,400	1,038
Total other liabilities, noncurrent	$ 25,658	$ 21,766