Acquisitions Acquisitions (Pro Forma Operating Results) (Details) - Series of Individually Immaterial Business Acquisitions [Member] - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
Sep. 30, 2015	Sep. 30, 2014
Business Acquisition [Line Items]
Net Sales	$ 2,742,947	$ 2,710,701
Net Earnings	$ 186,897	$ 189,532
Diluted earnings per share	$ 2.48	$ 2.51

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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