Pension And Other Postretirement Benefits (Accumulated Benefit Obligations In Excess Of Plan Assets) (Details) (USD $) In Millions	Jun. 30, 2011	Jun. 30, 2010
Pension Plans [Member]
Accumulated benefit obligation	$ 859.2	$ 875.8
Fair value of plan assets	710.2	631.5
Other Postretirement Plans [Member]
Accumulated benefit obligation	204.2	224.6
Fair value of plan assets	$ 80.3	$ 63.2

If aggregate disclosures are presented, the aggregate pension accumulated 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 6
-Subparagraph b

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