Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	3 Months Ended
May 31, 2016	Feb. 29, 2016
PROPERTY AND EQUIPMENT
Property and equipment, gross	$ 229,838	$ 224,391
Less accumulated depreciation	(97,130)	(93,926)
Property and equipment, net	132,708	130,465
Land
PROPERTY AND EQUIPMENT
Property and equipment, gross	12,800	12,800
Building and improvements
PROPERTY AND EQUIPMENT
Property and equipment, gross	$ 108,278	108,509
Building and improvements \| Minimum
PROPERTY AND EQUIPMENT
Estimated useful life	3 years
Building and improvements \| Maximum
PROPERTY AND EQUIPMENT
Estimated useful life	40 years
Computer, furniture and other equipment
PROPERTY AND EQUIPMENT
Property and equipment, gross	$ 71,407	70,778
Computer, furniture and other equipment \| Minimum
PROPERTY AND EQUIPMENT
Estimated useful life	3 years
Computer, furniture and other equipment \| Maximum
PROPERTY AND EQUIPMENT
Estimated useful life	15 years
Tools, dies, molds and other production equipment
PROPERTY AND EQUIPMENT
Property and equipment, gross	$ 29,242	28,254
Tools, dies, molds and other production equipment \| Minimum
PROPERTY AND EQUIPMENT
Estimated useful life	1 year
Tools, dies, molds and other production equipment \| Maximum
PROPERTY AND EQUIPMENT
Estimated useful life	10 years
Construction in progress
PROPERTY AND EQUIPMENT
Property and equipment, gross	$ 8,111	$ 4,050

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.14)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 13
-Subparagraph a
-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 8
-Article 7

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