Supplemental Balance Sheet Information - Liabilities (Details) - USD ($) $ in Thousands	Nov. 30, 2017	Feb. 28, 2017
ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
Accrued compensation, benefits and payroll taxes	$ 31,311	$ 34,917
Accrued sales returns, discounts and allowances	32,050	27,377
Accrued warranty returns	23,653	21,766
Accrued advertising	30,134	23,747
Accrued legal fees and settlements	17,282	16,908
Accrued royalties	10,599	9,553
Accrued property, sales and other taxes	9,509	6,564
Accrued freight and duty	5,480	3,454
Accrued product liability	2,224	2,141
Derivative liabilities, current	2,305	47
Liability for uncertain tax positions	1,024
Other	8,961	6,726
Total accrued expenses and other current liabilities	174,532	153,200
OTHER LIABILITIES, NON CURRENT
Deferred compensation liability	5,988	6,560
Liability for uncertain tax positions	3,467	6,611
Other liabilities	8,420	8,490
Total other liabilities, noncurrent	$ 17,875	$ 21,661