Summary of Interest Rate Swap Agreements Designated as Hedge Agreements (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |||||||
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Dec. 31, 2012
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Interest Rate Swaps [Line Items] | ||||||||
Nominal Amount | $ 450,000 | |||||||
Current Liability | 5,503 | [1] | ||||||
Long-Term Liability | 8,689 | [2],[3] | ||||||
Estimated Total Fair Value at December 31, 2012 | 14,192 | |||||||
Interest Rate Swap One Agreements
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Interest Rate Swaps [Line Items] | ||||||||
Nominal Amount | 175,000 | |||||||
Effective Date | Dec. 01, 2010 | |||||||
Pay Rate | 1.3975% | |||||||
Receive Rate | 1-Month LIBOR | |||||||
Expiration Date | Sep. 01, 2015 | |||||||
Current Liability | 1,959 | [1] | ||||||
Long-Term Liability | 2,991 | [2],[3] | ||||||
Estimated Total Fair Value at December 31, 2012 | 4,950 | |||||||
Interest Rate Swap Two Agreements
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Interest Rate Swaps [Line Items] | ||||||||
Nominal Amount | 175,000 | |||||||
Effective Date | Dec. 01, 2010 | |||||||
Pay Rate | 1.40% | |||||||
Receive Rate | 1-Month LIBOR | |||||||
Expiration Date | Sep. 01, 2015 | |||||||
Current Liability | 1,978 | [1] | ||||||
Long-Term Liability | 3,004 | [2],[3] | ||||||
Estimated Total Fair Value at December 31, 2012 | 4,982 | |||||||
Interest Rate Swap Three Agreements
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Interest Rate Swaps [Line Items] | ||||||||
Nominal Amount | 100,000 | |||||||
Effective Date | Nov. 01, 2011 | |||||||
Pay Rate | 1.715% | |||||||
Receive Rate | 1-Month LIBOR | |||||||
Expiration Date | Apr. 01, 2016 | |||||||
Current Liability | 1,566 | [1] | ||||||
Long-Term Liability | 2,694 | [2],[3] | ||||||
Estimated Total Fair Value at December 31, 2012 | $ 4,260 | |||||||
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X | ||||||||||
- Definition
Derivative instrument pay rate. No definition available.
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- Definition
Derivative instrument receive rate. No definition available.
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- Details
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X | ||||||||||
- Definition
Nominal amount of interest rate swap agreement. No definition available.
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X | ||||||||||
- Definition
Fair value of the assets less the liabilities of a derivative or group of derivatives. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Date the entity entered into the derivative contract, in CCYY-MM-DD format. No definition available.
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X | ||||||||||
- Definition
Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and which are expected to be extinguished or otherwise disposed of after one year or beyond the normal operating cycle, if longer, net of the effects of master netting arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Date the derivative contract matures, in CCYY-MM-DD format. No definition available.
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