Stockholders' Equity (Share Repurchase) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		12 Months Ended
	Nov. 10, 2015	Oct. 02, 2015	Oct. 03, 2014	Sep. 27, 2013
Share Repurchase [Line Items]
Share repurchase program		$ 237.3	$ 165.7	$ 184.9
Share repurchase program (in shares)		2.9
Treasury stock, average price per share (in dollars per share)		$ 83.29
Remaining shares available under share repurchase program		$ 62.7
Share Repurchase Program [Member]
Share Repurchase [Line Items]
Share repurchase program			$ 165.7
Share repurchase program (in shares)			4.5
Treasury stock, average price per share (in dollars per share)			$ 36.46
Subsequent Event [Member]
Share Repurchase [Line Items]
Stock repurchase initiation date	Nov. 10, 2015
Authorized repurchased amount	$ 400.0