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v2.4.1.9

Amounts Recognized in AOCI (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Net Unrealized Gains (Losses) on Effective Cash Flow Hedges, beginning balance | $ (14,170)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax | $ (24,527)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax |
Net Unrealized Gains (Losses) on Effective Cash Flow Hedges, Pre tax amount | 17,332 us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax | 16,627 us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax |
Net Unrealized Gains (Losses) on Effective Cash Flow Hedges, Income tax effect | (6,409)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax | (6,270)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax |
Net Unrealized Gains (Losses) on Effective Cash Flow Hedges, Change, net of income tax | 10,923 us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax | 10,357 us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax |
Net Unrealized Gains (Losses) on Effective Cash Flow Hedges, ending balance | (3,247)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax | (14,170)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax | (24,527)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
Foreign Currency Translation Adjustment, beginning balance | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax |
Foreign Currency Translation Adjustment, Pretax amount | (2,431)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax | 0 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax | 0 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
Foreign Currency Translation Adjustment, Income tax effect | 0 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax | 0 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax |
Foreign Currency Translation Adjustment, Change, net of income tax | (2,431)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | 0 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax |
Foreign Currency Translation Adjustment, ending balance | (2,431)us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
Minimum Pension Liability, beginning balance | (10,640)us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax | (19,627)us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax |
Minimum Pension Liability, Pre tax amount | (14,270)us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeMinimumPensionLiabilityBeforeTax | 14,657 us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeMinimumPensionLiabilityBeforeTax |
Minimum pension liability, income tax effect | 5,356 uhs_OtherComprehensiveIncomeMinimumPensionLiabilityNetAdjustmentTaxEffect | 5,670 uhs_OtherComprehensiveIncomeMinimumPensionLiabilityNetAdjustmentTaxEffect | 1,898 uhs_OtherComprehensiveIncomeMinimumPensionLiabilityNetAdjustmentTaxEffect
Minimum Pension Liability, Change, net of income tax | (8,914)us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeMinimumPensionLiabilityAfterTax | 8,987 us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeMinimumPensionLiabilityAfterTax |
Minimum Pension Liability, ending balance | (19,554)us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax | (10,640)us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax | (19,627)us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
Total AOCI, beginning balance | (24,810)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax | (44,154)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |
Total AOCI, Pre tax amount | 631 us-gaap_OtherComprehensiveIncomeLossBeforeTax | 31,284 us-gaap_OtherComprehensiveIncomeLossBeforeTax | 11,327 us-gaap_OtherComprehensiveIncomeLossBeforeTax
Total AOCI, Income tax effect | (1,053)us-gaap_OtherComprehensiveIncomeLossTax | (11,940)us-gaap_OtherComprehensiveIncomeLossTax | (4,306)us-gaap_OtherComprehensiveIncomeLossTax
Total AOCI, Change, net of income tax | (422)us-gaap_OtherComprehensiveIncomeLossNetOfTax | 19,344 us-gaap_OtherComprehensiveIncomeLossNetOfTax | 7,021 us-gaap_OtherComprehensiveIncomeLossNetOfTax
Total AOCI, ending balance | $ (25,232)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax | $ (24,810)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax | $ (44,154)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax

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