CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 34.6	$ 39.5
Other comprehensive income (loss), net of tax
Pension and post-retirement benefits, net of tax of $(2.3) and $(2.6), respectively	3.6	4.4
Net gain on derivative instruments, net of tax of $(2.2) and $(11.6), respectively	3.6	19.7
Unrealized loss on marketable securities, net of tax of $0.0 and $0.0, respectively	(0.1)
Foreign currency translation	3.5	4.5
Other comprehensive income, net of tax	10.6	28.6
Comprehensive income	45.2	68.1
Less: Comprehensive income attributable to noncontrolling interest		(0.5)
Comprehensive income attributable to Carpenter	$ 45.2	$ 67.6