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Commitments and Contingencies (Details 2) (Inventory, USD $) In Millions, unless otherwise specified | 12 Months Ended
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Jan. 28, 2012
Inventory |
Purchase Commitments |
Purchase commitments | $ 184.7

X
- Definition The minimum amount the entity agreed to spend under the long-term purchase commitment. + References No definition available. + Details
Name: | us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_LongTermPurchaseCommitmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration