Commitments and Contingencies (Details 3) (Inventory, USD $) In Millions, unless otherwise specified	12 Months Ended
Feb. 02, 2013
Inventory
Purchase Commitments
Purchase commitments	$ 221.9

The minimum amount the entity agreed to spend under the long-term purchase commitment.

No definition available.

Name:	us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration