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v3.19.2

Leases (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Operating Lease Cost [Abstract] |  |  |  |
Operating lease cost | $ 3.9 | $ 7.9 |  |
Short-term lease cost | 0.1 | 0.2 |  |
Total | $ 4.0 | 8.1 |  |
Operating cash flows information [Abstract] |  |  |  |
Cash paid for amounts included in the measurement of lease liabilities |  | 8.3 |  |
Non-cash activity [Abstract] |  |  |  |
Right-of-use assets obtained in the exchange for operating lease liabilities |  | $ 3.3 |  |
Weighted Average Remaining Lease Term and Discount Rates [Abstract] |  |  |  |
Weighted-average remaining operating lease term | 7 years 9 months 18 days | 7 years 9 months 18 days |  |
Weighted-average operating leases discount rate | 5.00% | 5.00% |  |
Outstanding Lease Assets and Liabilities [Abstract] |  |  |  |
Right-of-use asset | $ 47.1 | $ 47.1 |  |
Lease liability - current | 12.0 | 12.0 |  |
Lease liability - non-current | 46.1 | 46.1 |  |
Future Minimum Lease Payments [Abstract] |  |  |  |
For the remainder of 2019 | 7.7 | 7.7 |  |
2020 | 13.0 | 13.0 |  |
2021 | 9.6 | 9.6 |  |
2022 | 7.7 | 7.7 |  |
2023 | 6.2 | 6.2 |  |
Thereafter | 26.3 | 26.3 |  |
Total future minimum lease payments | 70.5 | 70.5 |  |
Less imputed interest | (12.6) | (12.6) |  |
Total | $ 57.9 | $ 57.9 |  |
Minimum Lease Payments under Non-cancellable Operating Leases [Abstract] |  |  |  |
2019 |  |  | $ 17.3 |
2020 |  |  | 13.0 |
2021 |  |  | 9.5 |
2022 |  |  | 8.2 |
2023 |  |  | 7.0 |
Thereafter |  |  | 24.8 |
Total |  |  | 79.8 |
Rent Expense [Abstract] |  |  |  |
Rent expense |  |  | $ 19.5 | $ 19.3
Minimum [Member] |  |  |  |
Operating Leases [Abstract] |  |  |  |
Remaining lease terms |  | 1 year |  |
Maximum [Member] |  |  |  |
Operating Leases [Abstract] |  |  |  |
Remaining lease terms |  | 50 years |  |

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