Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Net earnings	$ 54.0	$ 50.8	$ 121.2	$ 122.8
Other comprehensive income (loss), net:
Foreign currency translation adjustments	(16.7)	(0.5)	(32.6)	2.8
Net unrealized gains on available-for-sale securities, net of taxes of $0.0 and $0.0 for the three months ended March 31, 2015 and 2014, respectively; and $0.0 and $(0.4) for the nine months ended March 31, 2015 and 2014, respectively	0	0.1	0	0.6
Pension and post-retirement liability adjustment, net of taxes of $(0.1) and $(0.1) for the three months ended March 31, 2015 and 2014, respectively; and $(0.2) and $(0.2) for the nine months ended March 31, 2015 and 2014, respectively	0	0.1	0.1	0.2
Total other comprehensive income (loss), net	(16.7)	(0.3)	(32.5)	3.6
Comprehensive income	$ 37.3	$ 50.5	$ 88.7	$ 126.4