Earnings Per Share (Tables)

9 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Calculation of Basic and Diluted Earnings per Share

The chart below shows the calculation of basic and diluted earnings per share (in thousands, except per share amounts):

	Three Months Ended				Nine Months Ended
	March 31,				March 31,
	2017		2016		2017		2016
Net income	$	40,357	$	34,116	$	119,440	$	99,200
Weighted-average number of basic shares outstanding    during the period		24,419		24,277		24,382		24,243
Dilutive effect RSUs after application of treasury    stock method		687		524		652		526
Weighted-average number of diluted shares outstanding    during the period		25,106		24,801		25,034		24,769
Basic earnings per share	$	1.65	$	1.41	$	4.90	$	4.09
Diluted earnings per share	$	1.61	$	1.38	$	4.77	$	4.01