CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Thousands, $ in Millions	Sep. 30, 2022	Dec. 31, 2021
CONSOLIDATED BALANCE SHEETS
Accounts receivable, allowance for credit losses	$ 29.4	$ 26.7
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, Authorized shares	5,000	5,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, Authorized shares	200,000	200,000
Common stock, Issued shares	59,022	61,806
Common stock, outstanding shares	59,022	61,806