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Share-Based Payments (Details 1) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | $ 55.0 | $ 41.4 | $ 104.0 | $ 87.6
Subtotal | 82.9 | 42.8 | 132.4 | 93.2
Capitalized share-based compensation costs | (2.8) | (2.8) | (6.1) | (6.2)
Share-based compensation expense included in total costs and expenses | 80.1 | 40.0 | 126.3 | 87.0
Market stock units |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | 7.8 | 7.1 | 15.5 | 13.2
Time-vested restricted stock units |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | 31.8 | 30.6 | 66.5 | 66.7
Cash settled performance shares |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | 0.4 | (0.7) | (0.6) | 3.6
Performance units |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | 0.3 | 2.0 | 0.8 | 1.2
Performance stock units settled in stock |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | 12.1 | 1.4 | 14.1 | 2.1
Performance stock units settled in cash |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | 0.9 | 0.3 | 1.9 | 0.4
Employee stock purchase plan |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | 3.4 | 2.1 | 8.0 | 6.0
Nightstar | NST stock option |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Fair value of post-combination equity compensation | $ 26.2 | $ 0.0 | $ 26.2 | $ 0.0

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