Defined Benefit Pension Plans and Other Benefit Plans Defined Benefit Pension Plans and Other Postretirement Benefit Plans (Details 7) (Details)	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.35%	5.25%	5.625%
Expected long-term rate of return on plan assets	7.75%	8.25%	8.25%
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.17%	5.25%	5.50%
Expected long-term rate of return on plan assets	0.00%	0.00%	0.00%
Rate of compensation increase	0.00%	0.00%	0.00%