Earnings Per Share Earnings Per Share - Reconciliation of Numerator and Denominator of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Numerator:
Net income attributable to common shareholders	$ 210,129	$ 194,978
Denominator:
Basic - weighted average common shares	133,679,378	136,844,504
Increase in weighted average common shares from dilutive effect of equity-based awards	2,146,280	1,730,404
Diluted - weighted average common shares, assuming exercise of equity-based awards	135,825,658	138,574,908
Basic earnings per share (in usd per share)	$ 1.57	$ 1.42
Diluted earnings per share (in usd per share)	$ 1.55	$ 1.41