Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Apr. 01, 2016	Oct. 02, 2015
Current assets:
Allowance for Doubtful Accounts Receivable, Current	$ 0.5	$ 0.4
Stockholders' Equity Attributable to Parent [Abstract]
Preferred Stock, No Par Value	$ 0	$ 0
Preferred Stock, Shares Authorized	25,000,000	25,000,000
Preferred Stock, Shares Issued	0	0
Common Stock, Par or Stated Value Per Share	$ 0.25	$ 0.25
Common Stock, Shares Authorized	525,000,000	525,000,000
Common Stock, Shares, Issued	221,700,000	219,000,000
Common Stock, Shares, Outstanding	190,200,000	190,300,000