Condensed Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net earnings	$ 32.5	$ 44.4
Other comprehensive income (loss), net:
Foreign currency translation adjustments	(4.5)	(1.7)
Net unrealized losses on available-for-sale securities, net of taxes of $0.0 for both the three months ended September 30, 2014 and 2013	(0.1)	(0.1)
Pension and post-retirement liability adjustment, net of taxes of ($0.1) and $0.0 for the three months ended September 30, 2014 and 2013, respectively		0.1
Total other comprehensive income (loss), net	(4.6)	(1.7)
Comprehensive income	$ 27.9	$ 42.7