Contingencies - Purchase Commitments (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Long-term Purchase Commitment [Line Items]
Long-term Commitments, Purchases	$ 28.0	$ 29.7	$ 28.9
Inventories [Member]
Long-term Purchase Commitment [Line Items]
Long-term Purchase Commitment, Amount	80.8
Inventories [Member]
Long-term Purchase Commitment [Line Items]
Purchase Commitment, Remaining Minimum Amount Committed	514.0
Purchase Commitment [Member]
Long-term Purchase Commitment [Line Items]
Purchase Commitment, Remaining Minimum Amount Committed	$ 221.2