Earnings Per Common Share (Tables)

9 Months Ended

Mar. 31, 2012

Earnings Per Common Share [Abstract]

Computation Of Basic And Diluted Earnings Per Common Share

	Three Months Ended						Nine Months Ended
	March 31,						March 31,
(in millions, except per share data)	2012			2011			2012			2011
Net income attributable to Carpenter	$	33.0		$	28.6		$	80.3		$	45.5
Less: earnings and dividends allocated to participating securities		(0.3	)		(0.3	)		(0.7	)		(0.5	)
Earnings available to Carpenter common stockholders	$	32.7		$	28.3		$	79.6		$	45.0
Weighted average number of common shares outstanding, basic		47.2			44.1			45.3			44.1
Effect of shares issuable under share based compensation plans		0.7			0.6			0.7			0.5
Weighted average number of common shares outstanding, diluted		47.9			44.7			46.0			44.6
Basic earnings per common share	$	0.69		$	0.64		$	1.76		$	1.02
Diluted earnings per common share	$	0.69		$	0.64		$	1.75		$	1.02

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

	Three Months Ended				Nine Months Ended
(in millions)	March 31,				March 31,
	2012		2011		2012		2011
Stock options		0.1		0.3		0.1		0.4
Restricted stock awards		—		0.1		—		0.2