Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References+ Details

- Definition

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

+ References

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+ Details

Goodwill and Other Intangible Assets, Net (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			12 Months Ended					12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2013 Latrobe	Jun. 30, 2012 Latrobe	Feb. 28, 2013 Latrobe	Jun. 30, 2013 Carpenter Powder Products	Jun. 30, 2013 Reporting units other than Carpenter Powder Products and Latrobe Minimum	Jun. 30, 2012 Performance Engineered Products	Jun. 30, 2013 Performance Engineered Products	Jun. 30, 2011 Performance Engineered Products
Goodwill disclosures
Impairment of goodwill	$ 0	$ 0
Changes in the carrying amount of goodwill by reportable segment
Goodwill	292.4	295.2	79.6
Accumulated impairment losses	(34.7)	(34.7)	(34.7)
Total goodwill	257.7	260.5	44.9	211.7	214.5		3.4		46.0	46.0	44.9
Acquisitions		215.2			214.5				0.7
Other	$ (2.8)	$ 0.4		$ (2.8)					$ 0.4
Percentage of excess of fair value over carrying value of reporting units						8.00%	4.00%	15.00%