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Leases - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Lessee, Lease, Description [Line Items] |  |  |  |
Operating lease term (up to) | 10 years |  | 10 years |
Option to extend the leases (up to) | 5 years |  | 5 years |
Rent expense related to operating leases |  | $ 75.8 |  | $ 151.8
Rental purchase option asset | $ 7.2 |  | $ 7.2 |
Rental purchase option liability | 7.2 |  | 7.2 |
Maximum guaranteed residual value | 718.7 |  | 718.7 |
Obligations for operating leases not yet commenced | $ 7.1 |  | $ 7.1 |
Minimum |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Lease terms of operating leases not yet commenced | 2 years |  | 2 years |
Maximum |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Lease terms of operating leases not yet commenced | 10 years |  | 10 years |
Related Parties |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Operating lease term (up to) | 5 years |  | 5 years |
Lease expense | $ 4.0 | $ 3.4 | $ 8.1 | $ 6.6

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- Definition Leases, Option To Purchase, Asset, Failed Sale Leaseback + References No definition available. + Details
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- Definition Leases, Option To Purchase, Liability, Failed Sale Leaseback + References No definition available. + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + 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 Term of lessee's operating lease renewal, 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Term of lessee's operating lease, 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977 + Details
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- Definition Amount of residual asset covered by residual value guarantee under operating lease. Excludes guarantee considered to be lease payments for lessor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919359-209981 + Details
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