Pension Plans And Other Retirement Benefits (Components Of Net Periodic Benefit Cost And Other Amounts Recognized In Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Pension Funded Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 33,858	$ 32,142	$ 30,049
Interest cost	38,567	34,429	31,320
Expected return on plan assets	(49,059)	(40,043)	(28,222)
Settlement costs
Amortization of prior service cost			15
Amortization of net actuarial loss	10,854	11,172	13,656
Net periodic pension cost	34,220	37,700	46,818
Net (gain) loss	148,759	4,454	(6,866)
Amortization of net (loss)	(10,854)	(11,172)	(13,656)
Amortization of prior service cost			(15)
Total recognized in other comprehensive income	137,905	(6,718)	(20,537)
Total recognized in net periodic benefit cost and other comprehensive income	172,125	30,982	26,281
Discount rate	5.75%	6.00%	6.50%
Expected rate of return on plan assets	7.50%	8.00%	8.00%
Rate of compensation increase	4.00%	4.00%	4.00%
Pension Unfunded Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1,188	1,202	876
Interest cost	2,410	2,682	2,923
Settlement costs			2,447
Amortization of prior service cost	4	81	125
Amortization of net actuarial loss	666	941	1,045
Net periodic pension cost	4,268	4,906	7,416
Net (gain) loss	3,582	(2,727)	7,686
Settlement costs			(2,447)
Amortization of net (loss)	(666)	(941)	(1,045)
Amortization of prior service cost	(4)	(81)	(125)
Total recognized in other comprehensive income	2,912	(3,749)	4,069
Total recognized in net periodic benefit cost and other comprehensive income	$ 7,180	$ 1,157	$ 11,485
Discount rate	5.25%	5.75%	6.50%
Rate of compensation increase	6.00%	6.00%	6.00%