CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
NET SALES	$ 2,028.7	$ 1,675.1	$ 1,198.6
Cost of sales	1,637.7	1,426.1	1,053.8
Gross profit	391.0	249.0	144.8
Selling, general and administrative expenses	169.2	149.5	133.1
Acquisition-related costs	11.7	3.1
Operating income	210.1	96.4	11.7
Interest expense	(23.8)	(17.1)	(17.8)
Other income, net	2.3	8.5	10.8
Income before income taxes	188.6	87.8	4.7
Income tax expense	67.0	16.1	2.6
Net income	121.6	71.7	2.1
Less: net income attributable to noncontrolling interest	(0.4)	(0.7)
NET INCOME ATTRIBUTABLE TO CARPENTER	$ 121.2	$ 71.0	$ 2.1
EARNINGS PER COMMON SHARE:
Basic (in dollars per share)	$ 2.55	$ 1.59	$ 0.04
Diluted (in dollars per share)	$ 2.53	$ 1.59	$ 0.04
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	47.1	44.1	43.9
Diluted (in shares)	47.8	44.7	44.4