Contingencies - Additional Information (Detail) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2017 |
Dec. 31, 2016 |
|
| Contingencies And Commitments [Line Items] | ||
| Maximum exposure associated with general indemnifications | $ 0.5 | $ 0.5 |
| General indemnifications minimum expiration period | 1 year | |
| General indemnifications maximum expiration period | 3 years | |
| Contingent liability reserve balance after reduction | $ 2.8 | $ 2.8 |
| Dealership [Member] | ||
| Contingencies And Commitments [Line Items] | ||
| Joint venture ownership percentage | 50.00% | 50.00% |
| Other Accrued Liabilities [Member] | ||
| Contingencies And Commitments [Line Items] | ||
| Amount reserved for pending proceedings | $ 2.5 | $ 0.3 |
| Other Long-Term Liabilities [Member] | ||
| Contingencies And Commitments [Line Items] | ||
| Amount reserved for pending proceedings | $ 0.2 | $ 0.2 |
| X | ||||||||||
- Definition Contingencies and commitments. No definition available.
|
| X | ||||||||||
- Definition Contingent liability reserve balance. No definition available.
|
| X | ||||||||||
- Definition General indemnifications maximum expiration period. No definition available.
|
| X | ||||||||||
- Definition General indemnifications minimum expiration period. No definition available.
|
| X | ||||||||||
- Definition Legal matters amount reserved for pending proceedings. No definition available.
|
| X | ||||||||||
- Definition Undiscounted amount of the accrual for environmental loss contingencies. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|