CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 30.6	$ 32.9	$ 94.7	$ 105.6
Other comprehensive income, net of tax
Pension and post-retirement benefits, net of tax of $(2.2), $(2.5), $(6.4) and $(7.7), respectively	3.7	4.4	11.2	13.2
Net gain on derivative instruments, net of tax of $(12.3), $(1.1), $(15.9) and $(4.6), respectively	20.5	1.8	26.5	7.7
Unrealized gain on marketable securities, net of tax of $0.0, $(0.2), $0.0 and $(0.2), respectively		0.2	0.1	0.3
Foreign currency translation	(1.0)	(1.7)	3.9	4.1
Other comprehensive income	23.2	4.7	41.7	25.3
Comprehensive income	53.8	37.6	136.4	130.9
Less: Comprehensive income attributable to the noncontrolling interest				(0.7)
Comprehensive income attributable to Carpenter	$ 53.8	$ 37.6	$ 136.4	$ 130.2