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Pension And Other Postretirement Benefit Plans Pension And Other Postretirement Benefit Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended
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Sep. 30, 2014
Pension and Other Postretirement Benefits [Line Items] |
Contributions to qualified and non-qualified pension plans | $ 4.3
Expected additional contributions in the current fiscal year | 3.4
ERISA-regulated U.S. plan [Member] |
Pension and Other Postretirement Benefits [Line Items] |
Expected additional contributions in the current fiscal year | 2.7
Non-ERISA regulated and Other Plans [Member] |
Pension and Other Postretirement Benefits [Line Items] |
Expected additional contributions in the current fiscal year | $ 0.7

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- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration