Capital Stock - Repurchase of Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Oct. 28, 2017	Oct. 29, 2016	Jul. 29, 2017
Stockholders' Equity Note [Abstract]
Repurchase of common stock, shares	200,000		713,006
Total Consideration (In thousands)	$ 16,875	$ 0	$ 62,909
Average Price Per Share (in dollars per share)	$ 84.38		$ 88.23