Consolidated Statements Of Comprehensive (Loss) Income (USD $) In Millions	3 Months Ended
Sep. 30, 2011	Sep. 30, 2010
Consolidated Statements Of Comprehensive (Loss) Income [Abstract]
Net income	$ 23.7	$ 7.6
Other comprehensive (loss) income, net of tax
Pension and post-retirement benefits, net of tax of $(1.2) and $(2.8), respectively	2.0	4.3
Net (loss) gain on derivative instruments, net of tax of $19.9 and $(4.0), respectively	(32.5)	6.5
Unrealized loss on marketable securities, net of tax of $0.1 and $0.1, respectively	(0.1)	(0.1)
Foreign currency translation	(11.4)	8.8
Comprehensive (loss) income	(18.3)	27.1
Less: Comprehensive loss attributable to the noncontrolling interest	0.7
Comprehensive (loss) income attributable to Carpenter	$ (17.6)	$ 27.1

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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Change in accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges, net of tax effect. The after tax effect change includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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