CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' INVESTMENT (PARENTHETICAL) - $ / shares	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 29, 2018	Jul. 30, 2017	Jul. 29, 2018	Jul. 30, 2017	Oct. 29, 2017
Statement of Stockholders' Equity [Abstract]
Declared cash dividends (in dollars per share)	$ 0.1875	$ 0.17	$ 0.5625	$ 0.51	$ 0.68