Earnings per share (Tables)

6 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Schedule of basic and diluted earnings per share

The following table presents a reconciliation of the numerator and denominator of basic and diluted earnings per share for the three and six months ended December 31, 2017 and 2016.

	Three Months Ended				Six Months Ended
	December 31,				December 31,
	2017		2016		2017		2016
Numerator:
Net income attributable to common shareholders	$	56,159	$	241,305	$	341,556	$	451,434
Denominator:
Basic - weighted average common shares	133,112,568		133,320,109		133,144,766		133,499,744
Increase in weighted average common shares from dilutive effect of equity-based awards	3,082,351		2,492,651		2,729,764		2,096,963
Diluted - weighted average common shares, assuming exercise of equity-based awards	136,194,919		135,812,760		135,874,530		135,596,707
Basic earnings per share	$	0.42	$	1.81	$	2.57	$	3.38
Diluted earnings per share	$	0.41	$	1.78	$	2.51	$	3.33