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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Statement Of Income And Comprehensive Income [Abstract] | |||
| Net income (loss) | $ 97,217us-gaap_NetIncomeLoss | $ 81,618us-gaap_NetIncomeLoss | $ 89,101us-gaap_NetIncomeLoss |
| Other comprehensive income (loss) before taxes: | |||
| Change in fair value of interest rate swap agreements | 4,655us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax | 17,143us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax | 2,722us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax |
| Change in pension actuarial income (loss) | (1,174)us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax | 1,212us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax | (258)us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax |
| Total other comprehensive income (loss) before taxes | 3,481us-gaap_OtherComprehensiveIncomeLossBeforeTax | 18,355us-gaap_OtherComprehensiveIncomeLossBeforeTax | 2,464us-gaap_OtherComprehensiveIncomeLossBeforeTax |
| Provision for income tax benefit (expense) related to components of other comprehensive income (loss) | (1,323)us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1 | (6,974)us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1 | (937)us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1 |
| Other comprehensive income (loss) | 2,158us-gaap_OtherComprehensiveIncomeLossNetOfTax | 11,381us-gaap_OtherComprehensiveIncomeLossNetOfTax | 1,527us-gaap_OtherComprehensiveIncomeLossNetOfTax |
| Comprehensive income (loss) | $ 99,375us-gaap_ComprehensiveIncomeNetOfTax | $ 92,999us-gaap_ComprehensiveIncomeNetOfTax | $ 90,628us-gaap_ComprehensiveIncomeNetOfTax |
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- Definition
Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before tax, after reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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