Earnings Per Common Share (Tables)

3 Months Ended

Sep. 30, 2011

Earnings Per Common Share [Abstract]

Computation Of Basic And Diluted Earnings Per Common Share

	Three Months Ended September 30,
(in millions, except per share data)	2011			2010
Net income attributable to Carpenter	$	23.8		$	7.6
Less: earnings and dividends allocated to participating securities		(0.2	)		(0.1	)
Earnings available to Carpenter common stockholders	$	23.6		$	7.5
Weighted average number of common shares outstanding, basic		44.3			44.1
Effect of shares issuable under share based compensation plans		0.8			0.4
Weighted average number of common shares outstanding, diluted		45.1			44.5
Basic earnings per common share	$	0.53		$	0.17
Diluted earnings per common share	$	0.53		$	0.17

Share-Based Compensation Plans Excluded From The Calculations Of Diluted Earnings Per Share

(in millions)	Three Months Ended September 30,
	2011		2010
Stock options		0.1		0.4
Restricted stock awards		—		0.1