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Financing - Additional Information (Detail) (USD $)
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1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | ||||||
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Aug. 31, 2011
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2012
Maximum
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Aug. 31, 2011
Line of Credit
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Dec. 31, 2010
Master Notes
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Nov. 30, 2009
Master Notes
Interest Rate Lock Commitments
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Dec. 31, 2010
Master Notes
Senior Unsecured Notes, 3.81 Percent, Due May 2018
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Dec. 31, 2010
Master Notes
Senior Unsecured Notes, 4.60 Percent, Due May 2021
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| Line of Credit Facility [Line Items] | ||||||||||
| Loan agreement expiration date | 2016-08 | 2018-01 | ||||||||
| Revolving loan facility, maximum capacity | $ 350,000,000 | $ 250,000,000 | ||||||||
| Term Loan outstanding amount | 200,000,000 | |||||||||
| Repayment of term loan | 100,000,000 | |||||||||
| Issuance of senior notes | 25,000,000 | 75,000,000 | ||||||||
| Interest rate for purchase agreement | 3.81% | 4.60% | ||||||||
| Maturity date | May 2018 | May 2021 | ||||||||
| Issuance date of senior notes | 2011-05 | |||||||||
| Gain on interest rate lock settlement | 251,000 | |||||||||
| Deferred tax related to interest rate lock settlement | (28,901,000) | (16,946,000) | (16,888,000) | 149,000 | ||||||
| Repayment of acquired borrowings | 4,647,000 | |||||||||
| Capital lease obligations | 7,179,000 | 7,253,000 | ||||||||
| Capital lease obligations, current | 2,887,000 | 2,653,000 | ||||||||
| Letter of credit outstanding | 29,358,000 | |||||||||
| Debt outstanding from dealers | $ 981,584,000 | |||||||||
| Aggregate repurchase obligation, amount, percentage | 15.00% | |||||||||
| X | ||||||||||
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- Definition
Debt Instrument, Issuance, Month and Year No definition available.
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- Definition
Debt Instruments, Maturity Date No definition available.
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- Definition
Line of Credit Facility Expiration Dates No definition available.
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- Definition
Financial assets accounted for as sale, repurchase commitment percent of outstanding month end balances. No definition available.
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| X | ||||||||||
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- Definition
Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid within one year (or one operating cycle, if longer) of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Interest rate stated in the contractual debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The component of income tax expense for the period representing the increase (decrease) in the entity's deferred tax assets and liabilities pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This includes both the securitized and unsecuritized portion of the total principal amount. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Net Increase or Decrease in the fair value of the derivative or group of derivatives included in earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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- Definition
Amount borrowed under the credit facility as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. No definition available.
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| X | ||||||||||
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- Definition
The cash outflow from the repayments of a long-term debt originally issued by another party but is assumed by the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow to pay off an obligation from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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