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Summary of Significant Accounting Policies Lessor Accounting (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
Lessor, Lease, Description [Line Items] |  |  |
Lessor, Operating Lease, Renewal Term | 5 years | 5 years |
Lessor, Operating Lease, Termination Option Term |  | 1 year |
Direct Financing Lease, Revenue |  | $ 0.0 |
Operating Lease, Lease Income, Lease Payments | $ 171.6 | 339.9 |
Operating Lease, Variable Lease Income | 10.8 | 21.6 |
Sales-type Lease, Revenue | 32.3 | 34.2 |
Sales-type Lease, Interest Income | 0.3 | 0.3 |
Sales-type Lease, Selling Profit (Loss) | 3.9 | 4.1 |
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Remainder of Fiscal Year | 5.3 | 5.3 |
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Two Years | 9.0 | 9.0 |
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Three Years | 24.9 | 24.9 |
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Four Years | 0.0 | 0.0 |
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Five Years | 0.0 | 0.0 |
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Thereafter | 0.0 | 0.0 |
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received | 39.2 | 39.2 |
Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount | (4.7) | (4.7) |
Sales-type Lease, Net Investment in Lease | 34.5 | 34.5 |
Net Investment in Lease, Current | 1.1 | 1.1 |
Net Investment in Lease, Noncurrent | 33.4 | 33.4 |
Railcar Leasing and Management Services Group [Member] |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Operating Leases, Future Minimum Payments Receivable, Remainder of Fiscal Year | 295.6 | 295.6 |
Operating Leases, Future Minimum Payments Receivable, in Two Years | 504.3 | 504.3 |
Operating Leases, Future Minimum Payments Receivable, in Three Years | 390.1 | 390.1 |
Operating Leases, Future Minimum Payments Receivable, in Four Years | 293.8 | 293.8 |
Operating Leases, Future Minimum Payments Receivable, in Five Years | 198.6 | 198.6 |
Operating Leases, Future Minimum Payments Receivable, Thereafter | 355.9 | 355.9 |
Operating Leases, Future Minimum Payments Receivable | $ 2,038.3 | $ 2,038.3 |
Minimum | Railcar Leasing and Management Services Group [Member] |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Lessor, Operating Lease, Term of Contract | 1 year | 1 year |
Maximum | Railcar Leasing and Management Services Group [Member] |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Lessor, Operating Lease, Term of Contract | 10 years | 10 years | 20 years

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- Definition Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in third fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=77888428&loc=SL77919391-209981 + Details
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