Equity - Schedule of TEUs (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | |
|---|---|---|
Jan. 11, 2019 |
Mar. 29, 2019 |
|
| Class of Stock [Line Items] | ||
| Fair value per unit | $ 100.00 | |
| Gross proceeds | $ 460.0 | $ 460.0 |
| Less: Issuance costs | 12.3 | |
| Net proceeds | 447.7 | |
| TEU prepaid stock purchase contracts | ||
| Class of Stock [Line Items] | ||
| Fair value per unit | $ 84.39 | |
| Gross proceeds | 388.2 | |
| Less: Issuance costs | 10.4 | |
| Net proceeds | 377.8 | |
| TEU amortizing notes | ||
| Class of Stock [Line Items] | ||
| Fair value per unit | $ 15.61 | |
| Gross proceeds | 71.8 | |
| Less: Issuance costs | 1.9 | |
| Net proceeds | $ 69.9 |