Stockholders' Equity, Restricted Stock Unit Activity (Details) - Restricted Stock Units [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Number of Shares [Abstract]
Non-vested at beginning of period (in shares)	2,766
Granted (in shares)	1,707
Vested (in shares)	(1,055)
Cancelled/forfeited (in shares)	(179)
Non-vested at end of period (in shares)	3,239	2,766
Weighted Average Grant Date Fair Value per Share [Abstract]
Non-vested at beginning of period (in dollars per share)	$ 48.3
Granted (in dollars per share)	40.51	$ 36.14	$ 57.02
Vested (in dollars per share)	51.64
Cancelled/forfeited (in dollars per share)	42.9
Non-vested at end of period (in dollars per share)	$ 43.4	$ 48.3
Unrecognized Compensation Expense [Abstract]
Unrecognized compensation cost related to non-vested units	$ 53.7
Weighted average period for recognition	1 year 3 months 18 days