Earnings Per Share (Tables)

6 Months Ended

Dec. 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				Six Months Ended
	December 31,				December 31,
	2017		2016		2017		2016
Net income	$	142,795	$	42,420	$	184,841	$	79,083
Weighted-average number of basic shares outstanding    during the period		24,622		24,387		24,555		24,363
Dilutive effect of RSUs after application of treasury    stock method		589		682		673		635
Weighted-average number of diluted shares outstanding    during the period		25,211		25,069		25,228		24,998
Basic earnings per share	$	5.80	$	1.74	$	7.53	$	3.25
Diluted earnings per share	$	5.66	$	1.69	$	7.33	$	3.16