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Pension And Other Postretirement Benefit Plans Pension And Other Postretirement Benefit Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Dec. 31, 2014
Pension and Other Postretirement Benefits [Line Items]
Contributions to qualified and non-qualified pension plans	$ 6.0us-gaap_DefinedBenefitPlanContributionsByEmployer
Expected additional contributions in the current fiscal year	1.7us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear
ERISA-regulated U.S. plan [Member]
Pension and Other Postretirement Benefits [Line Items]
Expected additional contributions in the current fiscal year	1.4us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Non-ERISA regulated and Other Plans [Member]
Pension and Other Postretirement Benefits [Line Items]
Expected additional contributions in the current fiscal year	$ 0.3us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_ForeignPensionPlansDefinedBenefitMember

X

- 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

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- Details

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X

- 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

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- Details

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