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		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Numerator:
Net income attributable to common shareholders	$ 242,406	$ 256,560	$ 740,010	$ 677,263
Denominator:
Basic - weighted average common shares	149,039,529	149,287,628	149,143,478	149,191,583
Increase in weighted average common shares from dilutive effect of equity-based awards	2,700,088	3,072,984	2,418,798	2,661,939
Diluted - weighted average common shares, assuming exercise of equity-based awards	151,739,617	152,360,612	151,562,276	151,853,522
Basic earnings per share (in usd per share)	$ 1.63	$ 1.72	$ 4.96	$ 4.54
Diluted earnings per share (in usd per share)	$ 1.60	$ 1.68	$ 4.88	$ 4.46