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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. 01, 2014
Feb. 02, 2013
Jan. 28, 2012
Funded Plan
      
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 44,623 $ 41,813 $ 33,858
Interest cost 44,654 42,029 38,567
Expected return on plan assets (60,474) (54,759) (49,059)
Amortization of net actuarial loss 28,070 25,373 10,854
Expense related to current period 56,873 54,456 34,220
Correction of prior years pension accruals   26,964  
Total expense 56,873 81,420 34,220
Net (gain) loss (89,265) 61,692 148,759
Amortization of net (loss) (28,070) (25,373) (10,854)
Total recognized in other comprehensive income (117,335) 36,319 137,905
Total recognized in net periodic benefit cost and other comprehensive income (60,462) 117,739 172,125
Discount rate 4.40% 4.80% 5.75%
Expected rate of return on plan assets 7.00% 7.40% 7.50%
Rate of compensation increase 4.00% 4.00% 4.00%
Unfunded Plan
      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 1,716 1,448 1,188
Interest cost 2,447 2,321 2,410
Amortization of prior service cost 3 3 4
Amortization of net actuarial loss 2,884 1,465 666
Expense related to current period 7,050 5,237 4,268
Total expense 7,050 5,237 4,268
Net (gain) loss (2,925) 6,666 3,582
Amortization of net (loss) (2,884) (1,465) (666)
Amortization of prior service cost (3) (3) (4)
Total recognized in other comprehensive income (5,812) 5,198 2,912
Total recognized in net periodic benefit cost and other comprehensive income $ 1,238 $ 10,435 $ 7,180
Discount rate 4.00% 4.40% 5.25%
Rate of compensation increase 6.00% 6.00% 6.00%