CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Apr. 02, 2017	Oct. 02, 2016
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 45.6	$ 41.7
Preferred stock, par value (USD per share)	$ 1.00	$ 1.00
Preferred stock, authorized	1,000	1,000
Preferred stock, issued	0	0
Common stock, par value (USD per share)	$ 0.20	$ 0.20
Common stock, authorized	250,000,000	250,000,000
Common stock, issued	115,500,000	113,600,000
Common stock, outstanding	115,500,000	113,600,000