Fair Value Measurements - Fair Value and Carrying Value of Fixed Rate Long-Term Debt (Detail) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2015
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Dec. 31, 2014
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7.0% Senior Subordinated Notes Due 2022 [Member] | ||
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
Long-term Debt, Fair Value |
$ 218,000us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = sah_SevenPercentSeniorSubordinateNoteDueTwoThousandTwentyTwoMember |
$ 216,000us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = sah_SevenPercentSeniorSubordinateNoteDueTwoThousandTwentyTwoMember |
Long-term Debt, Carrying Value |
198,593us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = sah_SevenPercentSeniorSubordinateNoteDueTwoThousandTwentyTwoMember |
198,556us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = sah_SevenPercentSeniorSubordinateNoteDueTwoThousandTwentyTwoMember |
5.0% Senior Subordinated Notes due 2023 [Member] | ||
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
Long-term Debt, Fair Value |
299,250us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = sah_FivePercentSeniorSubordinateNoteDueTwoThousandTwentyThreeMember |
294,000us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = sah_FivePercentSeniorSubordinateNoteDueTwoThousandTwentyThreeMember |
Long-term Debt, Carrying Value |
300,000us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = sah_FivePercentSeniorSubordinateNoteDueTwoThousandTwentyThreeMember |
300,000us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = sah_FivePercentSeniorSubordinateNoteDueTwoThousandTwentyThreeMember |
Mortgage Loan at Fix Interest Rate [Member] | ||
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
Long-term Debt, Fair Value |
152,137us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = sah_MortgageLoanAtFixInterestRateMember |
152,240us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = sah_MortgageLoanAtFixInterestRateMember |
Long-term Debt, Carrying Value |
145,732us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = sah_MortgageLoanAtFixInterestRateMember |
147,554us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = sah_MortgageLoanAtFixInterestRateMember |
Assumed Notes [Member] | ||
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
Long-term Debt, Fair Value |
3,494us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = sah_AssumedNotesMember |
4,365us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = sah_AssumedNotesMember |
Long-term Debt, Carrying Value |
3,563us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = sah_AssumedNotesMember |
4,474us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = sah_AssumedNotesMember |
Other [Member] | ||
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
Long-term Debt, Fair Value |
4,530us-gaap_LongTermDebtFairValue / us-gaap_DebtSecurityAxis = us-gaap_OtherDebtSecuritiesMember |
4,588us-gaap_LongTermDebtFairValue / us-gaap_DebtSecurityAxis = us-gaap_OtherDebtSecuritiesMember |
Long-term Debt, Carrying Value |
$ 4,816us-gaap_LongTermDebt / us-gaap_DebtSecurityAxis = us-gaap_OtherDebtSecuritiesMember |
$ 4,884us-gaap_LongTermDebt / us-gaap_DebtSecurityAxis = us-gaap_OtherDebtSecuritiesMember |
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- Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. No definition available.
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