Earnings Per Share Earnings Per Share - Reconciliation of Numberator and Denominator of Basic and Diluted Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Numerator:
Net income attributable to common shareholders	$ 244,316	$ 239,741
Denominator:
Basic - weighted average common shares	149,237,306	149,285,849
Increase in weighted average common shares from dilutive effect of equity-based awards	2,622,955	3,331,261
Diluted - weighted average common shares, assuming exercise of equity-based awards	151,860,261	152,617,110
Basic earnings per share (in usd per share)	$ 1.64	$ 1.61
Diluted earnings per share (in usd per share)	$ 1.61	$ 1.57