Long-Term And Short-Term Financing Arrangements (Narrative) (Details) (USD $)	6 Months Ended				6 Months Ended			6 Months Ended
	Jul. 28, 2012	Jan. 28, 2012	Jul. 30, 2011	Jan. 07, 2011	Jul. 28, 2012 2019 Senior Notes [Member]	May 11, 2011 2019 Senior Notes [Member]	Jul. 28, 2012 2012 Senior Notes [Member]	Jul. 28, 2012 As Per Second Condition [Member]	Jul. 28, 2012 Maximum [Member]	Jul. 28, 2012 Minimum [Member]
Debt Instrument [Line Items]
Maximum aggregate amount of revolving credit facility				$ 530,000,000
Amount borrowed under Credit Agreement	150,000,000
Percentage of borrowing base under condition one	15.00%
Total commitment under condition one	35,000,000
Total commitment under condition two								35,000,000
Number of consecutive business days under minimum	3
Number of consecutive business days over minimum	30
Percentage of borrowing base under condition two	12.50%
Fixed charge coverage ratio									1.0	1.0
Amount of borrowings outstanding	116,000,000	201,000,000	250,000,000
Letters of credit outstanding under the Credit Agreement	9,000,000
Additional borrowings under Credit Agreement	405,000,000
Aggregate principal amount						$ 200,000,000
Debt instrument, interest rate						7.125%	8.75%
Maximum percentage of principal redemption					35.00%
Redemption price percentage					107.125%