Changes in Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss by Component (Detail) (USD $) In Thousands, unless otherwise specified
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3 Months Ended |
9 Months Ended |
Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2014
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Dec. 31, 2013
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Accumulated Other Comprehensive Income (Loss) [Line Items] |
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Accumulated other comprehensive Income/(loss) , beginning balance |
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$ (5,765)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
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$ (8,033)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
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Other comprehensive income before reclassifications |
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4us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
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73us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
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Amounts reclassified from accumulated other comprehensive loss |
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252us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
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429us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
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Total other comprehensive income |
44us-gaap_OtherComprehensiveIncomeLossNetOfTax
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171us-gaap_OtherComprehensiveIncomeLossNetOfTax
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256us-gaap_OtherComprehensiveIncomeLossNetOfTax
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502us-gaap_OtherComprehensiveIncomeLossNetOfTax
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Accumulated other comprehensive Income/(loss) , ending balance |
(5,509)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
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(7,531)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
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(5,509)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
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(7,531)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
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Pension and Other Postretirement Benefits Items [Member] |
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Accumulated Other Comprehensive Income (Loss) [Line Items] |
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Accumulated other comprehensive Income/(loss) , beginning balance |
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(6,168)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
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(8,443)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
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Other comprehensive income before reclassifications |
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0us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
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Amounts reclassified from accumulated other comprehensive loss |
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252us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
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429us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
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Total other comprehensive income |
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252us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
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429us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
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Accumulated other comprehensive Income/(loss) , ending balance |
(5,916)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
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(8,014)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
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(5,916)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
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(8,014)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
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Foreign Currency Items [Member] |
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Accumulated Other Comprehensive Income (Loss) [Line Items] |
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Accumulated other comprehensive Income/(loss) , beginning balance |
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403us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
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410us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
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Other comprehensive income before reclassifications |
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4us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
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73us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
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Amounts reclassified from accumulated other comprehensive loss |
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0us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
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Total other comprehensive income |
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4us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
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73us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
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Accumulated other comprehensive Income/(loss) , ending balance |
$ 407us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
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$ 483us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
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$ 407us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
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$ 483us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
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