Commitments and Contingencies - Summary of Lease Exit Accruals (Parenthetical) (Detail) $ in Millions |
12 Months Ended |
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Dec. 31, 2017
USD ($)
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| Commitments And Contingencies Disclosure [Abstract] | |
| Component of lease exit expense in interest expense, other, net | $ 0.1 |
| Component of lease exit expense in selling, general and administrative expenses | 0.9 |
| Component of lease exit expense in income (loss) from operations and the sale of dealerships | 1.2 |
| Component of lease exit payments in selling, general and administrative expenses | 1.1 |
| Component of lease exit payments in income (loss) from operations and the sale of dealerships | $ 2.5 |
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- Definition Lease exit expense interest. No definition available.
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- Definition Lease exit expense selling general and administrative. No definition available.
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- Definition Lease exit income (expense) discontinued operations. No definition available.
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- Definition Lease exit payment discontinued operations. No definition available.
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- Definition Lease exit payment selling general and administrative. No definition available.
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- References No definition available.
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