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Summary of Significant Accounting Policies Property and Equipment Policies (Details)
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12 Months Ended |
|---|---|
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Jan. 28, 2012
year
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|
|
Building [Member]
|
|
| Property, Plant and Equipment [Line Items] | |
| Property, Plant and Equipment, Useful Life, Maximum | 40 |
|
Furniture and Fixtures [Member]
|
|
| Property, Plant and Equipment [Line Items] | |
| Property, Plant and Equipment, Useful Life, Minimum | 3 |
| Property, Plant and Equipment, Useful Life, Maximum | 10 |
|
Equipment [Member]
|
|
| Property, Plant and Equipment [Line Items] | |
| Property, Plant and Equipment, Useful Life, Minimum | 3 |
| Property, Plant and Equipment, Useful Life, Maximum | 10 |
|
Computer Equipment and Software [Member]
|
|
| Property, Plant and Equipment [Line Items] | |
| Property, Plant and Equipment, Useful Life, Minimum | 3 |
| Property, Plant and Equipment, Useful Life, Maximum | 7 |