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Pension And Other Postretirement Benefit Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended | 3 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2013 ERISA-regulated U.S. plan [Member] | Sep. 30, 2013 Non-ERISA regulated and Other Plans [Member] | Sep. 30, 2013 United States Pension Plan of US Entity, Defined Benefit [Member]
Pension and Other Postretirement Benefits [Line Items] |  |  |  |
Contributions to qualified and non-qualified pension plans | $ 7.3 |  |  |
Expected additional contributions in the current fiscal year | 5.7 | 5.1 | 0.6 |
Prior service credit |  |  |  | 19
Effect of plan amendments on funded status |  |  |  | $ 40

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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=28361610&loc=d3e1928-114920 + Details
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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
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- Definition Amount before tax of cost (credit) of benefit changes attributable to plan participants' prior service resulting from a plan amendment or plan initiation that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 + Details
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- Definition The amount of increase or decrease in the funded status related to the effects of changes in substantive terms of an existing defined pension plan. A planned amendment may increase or decrease benefits, including those attributable to years of services already rendered. + References No definition available. + Details
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