Per Share Data (Details)		3 Months Ended		6 Months Ended
	Sep. 16, 2016	May 05, 2017 shares	Apr. 29, 2016 shares	May 05, 2017 shares	Apr. 29, 2016 shares
Basic
Weighted-average number of shares of common stock		108,203,000	109,808,000	108,398,000	109,880,000
Assumed issuance of contingent shares		0	0	21,000	38,000
Weighted-average number of shares of common stock and assumed issuance of contingent shares		108,203,000	109,808,000	108,419,000	109,918,000
Diluted
Weighted-average number of shares of common stock and assumed issuance of contingent shares		108,203,000	109,808,000	108,419,000	109,918,000
Effect of dilutive securities		2,935,000	2,164,000	3,032,000	2,236,000
Weighted-average number of shares of common stock, assumed issuance of contingent shares, and effect of dilutive securities		111,138,000	111,972,000	111,451,000	112,154,000
Stock split, conversion ratio	2
Options, restricted stock, and restricted stock units, excluded from the diluted earnings per share		509,805	556,634	404,096	491,504