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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Repayment of Sellers' Floor Plan Notes Payable Dealership Acquisitions | $ 58.2 | $ 101.6 | $ 62.2
3.75% senior subordinated notes due 2020 |  |  |
Interest rate (as a percent) | 3.75% | 3.75% |
5.50% senior subordinated notes due 2026 |  |  |
Interest rate (as a percent) | 5.50% | 5.50% | 5.50%

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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