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v3.19.1

Leases (Details) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2019 USD ($) property | Mar. 31, 2018 USD ($) | Jan. 01, 2019 USD ($) | Dec. 31, 2018 USD ($)
Other Commitments [Line Items] |  |  |  |
Operating lease right of use assets | $ 91.4 |  | $ 93.9 | $ 0.0
Operating lease liability | 96.9 |  | $ 99.4 |
Operating Leases, Rent Expense | $ 6.9 |  |  |
Number of Leased Properties Owned by Related Parties | property | 2 |  |  |
Costs and Expenses, Related Party | $ 0.3 | $ 0.3 |  |
Lessee, Operating Lease, Leases Not Yet Commenced, Value | $ 1.5 |  |  |
Lessee, Operating Lease, Leases Not yet Commenced, Term of Contract | 5 years |  |  |

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- Definition Costs of sales and operating expenses for the period incurred from transactions with related parties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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- Definition Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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