Components Of Net Periodic Benefit Cost And Other Amounts Recognized In Other Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Pension Funded Plan
Summary of Components of Net Periodic Benefit Cost and Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income [Line Items]
Service cost	$ 41,813	$ 33,858	$ 32,142
Interest cost	42,029	38,567	34,429
Expected return on plan assets	(54,759)	(49,059)	(40,043)
Amortization of net actuarial loss	25,373	10,854	11,172
Expense related to current period	54,456	34,220	37,700
Correction of prior years pension accruals	26,964
Total expense	81,420	34,220	37,700
Net (gain) loss	61,692	148,759	4,454
Amortization of net (loss)	(25,373)	(10,854)	(11,172)
Total recognized in other comprehensive income	36,319	137,905	(6,718)
Total recognized in net periodic benefit cost and other comprehensive income	117,739	172,125	30,982
Discount rate	4.80%	5.75%	6.00%
Expected rate of return on plan assets	7.40%	7.50%	8.00%
Rate of compensation increase	4.00%	4.00%	4.00%
Pension Unfunded Plan
Summary of Components of Net Periodic Benefit Cost and Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income [Line Items]
Service cost	1,448	1,188	1,202
Interest cost	2,321	2,410	2,682
Amortization of prior service cost	3	4	81
Amortization of net actuarial loss	1,465	666	941
Expense related to current period	5,237	4,268	4,906
Total expense	5,237	4,268	4,906
Net (gain) loss	6,666	3,582	(2,727)
Amortization of net (loss)	(1,465)	(666)	(941)
Amortization of prior service cost	(3)	(4)	(81)
Total recognized in other comprehensive income	5,198	2,912	(3,749)
Total recognized in net periodic benefit cost and other comprehensive income	$ 10,435	$ 7,180	$ 1,157
Discount rate	4.40%	5.25%	5.75%
Rate of compensation increase	6.00%	6.00%	6.00%