Pro Forma Financial Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Oct. 25, 2013		Jul. 26, 2013		Apr. 26, 2013		Jan. 25, 2013		Oct. 26, 2012		Jul. 27, 2012		Apr. 27, 2012		Jan. 27, 2012		Oct. 25, 2013	Oct. 26, 2012	Oct. 28, 2011
Business Acquisition, Pro Forma Information [Line Items]
Pro forma net sales																			$ 1,972,079
Pro forma net income																			$ 159,353
Basic earnings per share as reported	$ 2.10		$ 1.22		$ 1.14		$ 0.81		$ 2.00		$ (0.55)		$ 1.47		$ 0.74		$ 5.28	$ 3.66	$ 4.36
Pro forma basic earnings per share																			$ 5.22
Diluted earnings per share as reported	$ 2.06	[1]	$ 1.20	[1]	$ 1.12	[1]	$ 0.80	[1]	$ 1.97	[1]	$ (0.55)	[1]	$ 1.44	[1]	$ 0.73	[1]	$ 5.19	$ 3.60	$ 4.27
Pro forma diluted earnings per share																			$ 5.12

[1] The sum of the quarterly per share amounts may not equal per shares amounts reported for year-to-date periods. This is due to changes in the number of weighted average shares outstanding and the effects of rounding for each period.