Schedule of Amounts Recognized in Consolidated Balance Sheet (Detail) (USD $)	Oct. 25, 2013	Oct. 26, 2012
Amount Recognized in the Consolidated Balance Sheet
Non-current liability	$ 68,102,000	$ 132,074,000
Pension Plans, Defined Benefit
Amount Recognized in the Consolidated Balance Sheet
Non-current asset	2,201,000	0
Current liability	(2,351,000)	(6,145,000)
Non-current liability	(52,174,000)	(116,094,000)
Net amount recognized	(52,324,000)	(122,239,000)
Amounts Recognized in Accumulated Other Comprehensive Income
Net actuarial loss (gain)	82,796,000	148,758,000
Prior service cost	490,000	589,000
Ending balance	83,286,000	149,347,000
Postretirement Benefit Plans, Defined Benefit
Amount Recognized in the Consolidated Balance Sheet
Non-current asset	0	0
Current liability	(785,000)	(1,060,000)
Non-current liability	(15,928,000)	(15,980,000)
Net amount recognized	(16,713,000)	(17,040,000)
Amounts Recognized in Accumulated Other Comprehensive Income
Net actuarial loss (gain)	768,000	759,000
Prior service cost	161,000	0
Ending balance	$ 929,000	$ 759,000