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Share-Based Payments (Details 1) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Summary of share based compensation expense associated with different programs |  |  |  |
Share-based compensation expense | $ 191.2 | $ 168.7 |  | $ (138.1)
Subtotal | 225.4 | 181.6 | $ 169.7 |
Capitalized share-based compensation costs | (8.9) | (11.5) | (9.6) |
Share-based compensation expense included in total costs and expenses | 216.5 | 170.1 | 160.1 |
Market stock units |  |  |  |
Summary of share based compensation expense associated with different programs |  |  |  |
Share-based compensation expense | 30.4 | 27.2 | 22.4 |
Time-vested restricted stock units |  |  |  |
Summary of share based compensation expense associated with different programs |  |  |  |
Share-based compensation expense | 134.0 | 126.6 | 107.3 |
Cash settled performance units |  |  |  |
Summary of share based compensation expense associated with different programs |  |  |  |
Share-based compensation expense | 0.7 | 7.8 | 18.4 |
Performance Units |  |  |  |
Summary of share based compensation expense associated with different programs |  |  |  |
Share-based compensation expense | 1.6 | 3.1 | 12.3 |
Performance stock units settled in stock |  |  |  |
Summary of share based compensation expense associated with different programs |  |  |  |
Share-based compensation expense | 15.5 | 4.7 | 0.0 |
Performance stock units settled in cash |  |  |  |
Summary of share based compensation expense associated with different programs |  |  |  |
Share-based compensation expense | 5.5 | 1.7 | 0.0 |
Employee stock purchase plan |  |  |  |
Summary of share based compensation expense associated with different programs |  |  |  |
Share-based compensation expense | 11.5 | 10.5 | 9.3 |
Nightstar | Share-based Payment Arrangement, Option |  |  |  |
Summary of share based compensation expense associated with different programs |  |  |  |
Fair-value post-combination equity compensation | $ 26.2 | $ 0.0 | $ 0.0 |

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