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Employee Benefit Plans - Multiemployer Plans (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Western Conference Teamsters |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Ryder Contributions | $ 3,971 | $ 3,488 | $ 3,245
IAM National |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Ryder Contributions | 4,148 | 3,953 | 3,891
Automobile Mechanics Local No. 701 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Ryder Contributions | 1,494 | 1,435 | 2,048
Other funds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Ryder Contributions | 969 | 931 | 915
Union-administered plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Ryder Contributions | 10,582 | 9,807 | 10,099
Pension settlement (benefit) charges | 0 | (481) | 5,454
Postretirement benefit income | $ 10,582 | $ 9,326 | $ 15,553

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- Definition Multiemployer Plans, One Time Charge For Pension Settlement, Pre-Tax, Expense (Benefit) + References No definition available. + Details
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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