Note 7 Stock Repurchase (Details) - USD ($) $ in Millions	9 Months Ended
	Jul. 01, 2017	Jul. 02, 2016
Stockholders' Equity Note [Abstract]
Treasury Stock, Shares, Acquired	500,000	5,700,000
Treasury Stock, Value, Acquired, Cost Method	$ 20.3	$ 113.4
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 192.5
Shares Paid for Tax Withholding for Share Based Compensation	549,000	46,000
Amount of Tax Withholding for Share-based Compensation	$ 17.3	$ 1.0