Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	6 Months Ended
Aug. 31, 2019	Feb. 28, 2019
PROPERTY AND EQUIPMENT
Property and equipment, gross	$ 261,223	$ 254,082
Less accumulated depreciation	(130,059)	(123,744)
Property and equipment, net	131,164	130,338
Land
PROPERTY AND EQUIPMENT
Property and equipment, gross	12,644	12,644
Building and improvements
PROPERTY AND EQUIPMENT
Property and equipment, gross	$ 113,619	113,820
Building and improvements \| Minimum
PROPERTY AND EQUIPMENT
Estimated Useful Lives (Years)	3 years
Building and improvements \| Maximum
PROPERTY AND EQUIPMENT
Estimated Useful Lives (Years)	40 years
Computer, software, furniture and other equipment
PROPERTY AND EQUIPMENT
Property and equipment, gross	$ 86,699	84,711
Computer, software, furniture and other equipment \| Minimum
PROPERTY AND EQUIPMENT
Estimated Useful Lives (Years)	3 years
Computer, software, furniture and other equipment \| Maximum
PROPERTY AND EQUIPMENT
Estimated Useful Lives (Years)	15 years
Tools, molds and other production equipment
PROPERTY AND EQUIPMENT
Property and equipment, gross	$ 37,000	36,378
Tools, molds and other production equipment \| Minimum
PROPERTY AND EQUIPMENT
Estimated Useful Lives (Years)	3 years
Tools, molds and other production equipment \| Maximum
PROPERTY AND EQUIPMENT
Estimated Useful Lives (Years)	7 years
Construction in progress
PROPERTY AND EQUIPMENT
Property and equipment, gross	$ 11,261	$ 6,529

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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