Supplemental Data (Additional Supplemental Disclosures) (Details) (USD $) In Millions	12 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009	Jun. 30, 2008
Supplemental Data
Repairs and maintenance costs	$ 74.8	$ 60.4	$ 65.3
Interest payments	18.3	19.8	21.1
Income tax payments (refunds), net	11.5	(13.7)	33.3
Foreign currency translation adjustment	(7.7)	(23.7)	(14.4)
Pension and post-retirement benefits, net of tax	(227.7)	(344.5)	(314.8)
Net unrealized gains (losses) on derivatives, net of tax	2.6	(2.4)	(17.3)	(11.4)
Unrealized losses on marketable securities, net of tax	(0.5)	(0.5)
Total accumulated other comprehensive income (loss), net of tax	$ (233.3)	$ (371.1)	$ (346.5)

Supplemental Data [Abstract]

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Accumulated appreciation or loss, net of tax, in value of the total of unsold securities at the end of an accounting period.

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-Name Statement of Financial Accounting Standard (FAS)
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Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses.

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The total of net (gain) loss, prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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- Definition

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains (losses).

+ References

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at fiscal year-end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, and unrealized gains and losses on certain investments in debt and equity securities as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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-Name Regulation S-X (SX)
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The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The amount of cash paid during the current period for interest owed on money borrowed; includes amount of interest capitalized

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