Pension And Other Postretirement Benefits (Projected Benefit Obligations In Excess Of Plan Assets) (Details) (USD $) In Millions	Jun. 30, 2011	Jun. 30, 2010
Pension Plans [Member]
Projected benefit obligation	$ 929.2	$ 957.2
Fair value of plan assets	710.2	631.5
Other Postretirement Plans [Member]
Projected benefit obligation	204.2	224.6
Fair value of plan assets	$ 80.3	$ 63.2

If aggregate disclosures are presented, the aggregate projected benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph C3

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Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant