Goodwill and trade names (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 01, 2014	Mar. 02, 2013	Feb. 25, 2012
Changes in the carrying amount of goodwill
Gross balance at the end of the period	$ 410,467	$ 410,467	$ 410,467
Accumulated impairment charges at the end of the period	(207,652)	(207,652)	(207,652)
Total, net balance at the end of the period	202,815	202,815	202,815
Trade names
Goodwill and trade names
Impairment charges		15,533
Elfa
Goodwill and trade names
Impairment charges for goodwill			31,453
Elfa \| Trade names
Goodwill and trade names
Impairment charges	$ 0	$ 15,533	$ 15,584

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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