Acquisitions And Strategic Partnership (Pro Forma Results From Latrobe Acquisition) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Acquisitions And Strategic Partnership [Abstract]
Revenue	$ 622.0	$ 577.8	$ 1,696.0	$ 1,481.9
Earnings	$ 46.7	$ 30.2	$ 104.0	$ 43.6
Basic	$ 0.89	$ 0.58	$ 1.98	$ 0.83
Diluted	$ 0.88	$ 0.57	$ 1.95	$ 0.82

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Pro forma basic earnings per share or earnings per unit, which is commonly presented in initial public offerings based on the terms of the offering.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 11

-Section 02

-Paragraph b

-Subparagraph 7

+ Details

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- Definition

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

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=6909870&loc=d3e1392-128463

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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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- Definition

Pro forma diluted earnings per share, which is commonly presented in initial public offerings.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 11

-Section 02

-Paragraph b

-Subparagraph 7

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