CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Millions	Sep. 28, 2019	Dec. 29, 2018
Statement of Financial Position [Abstract]
Allowance for doubtful accounts receivable	$ 9.4	$ 13.3
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	40,900,000	42,800,000
Common stock, shares outstanding (in shares)	40,900,000	42,800,000