Share-Based Payments (Details 1) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	$ (74.1)	$ (58.0)	$ (153.0)	$ (128.4)
Subtotal	76.3	59.1	157.7	130.9
Capitalized share-based compensation costs	(2.6)	(2.3)	(5.9)	(5.1)
Share-based compensation expense included in total costs and expenses	73.7	56.8	151.8	125.8
Market stock units
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	1.3	1.5	3.5	7.4
Time-vested restricted stock units
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	59.9	50.4	121.6	101.7
Performance stock units settled in stock
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	9.8	3.3	19.3	11.6
Performance stock units settled in cash
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	2.2	1.1	4.7	2.5
Employee stock purchase plan
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	2.1	2.8	6.8	7.7
Options | Nightstar
Summary of share based compensation expense associated with different programs [Abstract]
Fair value of post-combination equity compensation	$ 1.0	$ 0.0	$ 1.8	$ 0.0