CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Oct. 02, 2020	Sep. 27, 2019
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 52.3	$ 46.5
Preferred stock, par value (in dollars per share)	$ 1.0	$ 1.0
Preferred stock, shares authorized (in shares)	1,000,000.0	1,000,000.0
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	189,000,000.0	189,000,000.0
Common stock, shares issued (in shares)	91,200,000	90,800,000
Common stock, shares outstanding (in shares)	91,200,000	90,800,000