Note 8 Income Tax Detail (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Operating Loss Carryforwards [Line Items]
Valuation Allowance Released		$ 96.2	$ 288.7
Undistributed Earnings of Foreign Subsidiaries	$ 571.4
Operating Loss Carryforwards, Expiration Date	Sep. 30, 2033
Excess Tax Benefit	$ 126.6
Federal
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	1,000.0
State
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards, Valuation Allowance	17.6
Operating Loss Carryforwards	633.8
Foreign
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 744.9