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Leases (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2019 | Sep. 30, 2018 | Jan. 01, 2019 | Dec. 31, 2018
Leases [Abstract] |  |  |  |  |
Finance Lease, Right-of-Use Asset | $ 3.6 | $ 3.6 |  |  |
Finance Lease, Liability, Current | 0.3 | 0.3 |  |  |
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months | 8.5 | 8.5 |  |  |
Finance Lease, Liability, Payments, Due in Next Rolling Twelve Months | 0.3 | 0.3 |  |  |
Lessee, Operating Lease, Liability, Payments, Due Year Two | 29.3 | 29.3 |  |  |
Operating Lease, Payments | 9.1 | 26.8 | $ 0.0 |  |
Finance Lease, Principal Payments | 0.2 | 1.3 |  |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | 14.6 | 54.0 |  |  |
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability | $ 0.3 | $ 1.1 |  |  |
Operating Lease, Weighted Average Remaining Lease Term | 5 years 4 months 24 days | 5 years 4 months 24 days |  |  |
Finance Lease, Weighted Average Remaining Lease Term | 3 years 4 months 24 days | 3 years 4 months 24 days |  |  |
Operating Lease, Weighted Average Discount Rate, Percent | 3.90% | 3.90% |  |  |
Finance Lease, Weighted Average Discount Rate, Percent | 2.70% | 2.70% |  |  |
Operating Lease, Right-of-Use Asset | $ 115.0 | $ 115.0 |  | $ 114.1 | $ 0.0
Operating Lease, Liability, Current | 28.0 | 28.0 |  | 29.8 | 0.0
Operating Lease, Liability, Noncurrent | 72.3 | 72.3 |  | $ 69.7 | $ 0.0
Operating Lease, Expense | 9.0 | 27.7 | $ 0.0 |  |
Finance Lease, Right-of-Use Asset, Amortization | 0.3 | 0.9 |  |  |
Finance Lease, Liability, Payments, Due in Rolling Year Two | 0.9 | 0.9 |  |  |
Lessee, Operating Lease, Liability, Payments, Due Year Three | 20.5 | 20.5 |  |  |
Finance Lease, Liability, Payments, Due in Rolling Year Three | 0.9 | 0.9 |  |  |
Lessee, Operating Lease, Liability, Payments, Due Year Four | 15.0 | 15.0 |  |  |
Finance Lease, Liability, Payments, Due in Rolling Year Four | 0.7 | 0.7 |  |  |
Lessee, Operating Lease, Liability, Payments, Due Year Five | 11.2 | 11.2 |  |  |
Finance Lease, Liability, Payments, Due in Rolling Year Five | 0.2 | 0.2 |  |  |
Lessee, Operating Lease, Liability, Payments, Due after Year Five | 26.6 | 26.6 |  |  |
Finance Lease, Liability, Payments, Due in Rolling after Year Five | 0.0 | 0.0 |  |  |
Operating Lease, Liability | 111.1 | 111.1 |  |  |
Finance Lease, Liability, Payment, Due | 3.0 | 3.0 |  |  |
Lessee, Operating Lease, Liability, Undiscounted Excess Amount | (10.8) | (10.8) |  |  |
Finance Lease, Liability, Undiscounted Excess Amount | (0.2) | (0.2) |  |  |
Operating Lease, Liability | 100.3 | 100.3 |  |  |
Lease, Cost | 9.3 | 28.6 |  |  |
Finance Lease, Liability, Noncurrent | 2.5 | 2.5 |  |  |
Finance Lease, Liability | $ 2.8 | $ 2.8 |  |  |

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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
Name: | us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration