Summary of Changes in RSUs Granted Under Equity Incentive Plan (Detail) (Restricted Stock Units (RSUs), USD $)	12 Months Ended
	Oct. 25, 2013
Restricted Stock Units (RSUs)
Non-vested shares
Shares, Non-vested, beginning of year	0
Shares, Granted	55,280
Shares, Forfeited/canceled	(400)
Shares, Non-vested, end of year	54,880
Weighted-Average Grant Date Fair Value per Share
Weighted-Average grant date fair value per share Non-vested, beginning of year	$ 0.00
Weighted-Average grant date fair value per share Granted	$ 70.23
Weighted-Average grant date fair value per share Forfeited/cancelled	$ 66.55
Weighted-Average grant date fair value per share Non-vested, end of year	$ 70.26
Weighted average remaining life (years)
Weighted average remaining life (years), Non-vested, end of year	2 years 6 months