Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net earnings	$ 307.5	$ 287.1	$ 263.0
Other comprehensive income (loss), net:
Foreign currency translation adjustments	(15.4)	(30.2)	6.0
Net unrealized gains (losses) on available-for-sale securities, net of taxes of $0.4, ($0.1) and $(0.5) for the years ended June 30, 2016, 2015 and 2014, respectively	(0.7)	0.1	0.8
Pension and post-retirement liability adjustment, net of taxes of $0.8, $0.7 and $0.5 for the years ended June 30, 2016, 2015 and 2014, respectively	(1.3)	(1.1)	(0.7)
Total other comprehensive income (loss), net	(17.3)	(31.2)	6.1
Comprehensive income	$ 290.2	$ 255.9	$ 269.1