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Schedule of Net Periodic Pension Cost (Detail) (Pension Plans, Defined Benefit, USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Jul. 26, 2013
Jul. 27, 2012
Jul. 26, 2013
Jul. 27, 2012
Pension Plans, Defined Benefit
       
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 2,832 $ 2,372 $ 9,103 $ 7,198
Interest cost 4,414 4,669 13,208 14,001
Expected return on plan assets (5,836) (5,338) (17,142) (16,035)
Amortization of prior service cost 20 10 62 31
Amortization of actuarial loss 3,465 2,527 10,320 7,691
Net Periodic Cost $ 4,895 $ 4,240 $ 15,551 $ 12,886