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Summary of Significant Accounting Policies - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Operating Leases |  |
Operating lease right-of-use assets | $ 134.5 |
Other accrued liabilities | 66.8 |
Long-term operating lease liabilities | 96.1 |
Total operating lease liabilities | 162.9 |
Finance Leases |  |
Outsourcing assets, net | 4.7 |
Current maturities of long-term debt | 1.6 |
Long-term debt | 3.8 |
Total finance lease liabilities | $ 5.4 | $ 5.8
Weighted-Average Remaining Lease Term |  |
Operating leases | 3 years 3 months 18 days |
Finance leases | 3 years 2 months 12 days |
Weighted-Average Discount Rate |  |
Operating leases | 6.30% |
Finance leases | 2.60% |

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