XML 38 R27.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary of Significant Accounting Policies and New Accounting Standards (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Accounting Policies [Abstract]        
Net income $ 7,032 $ 13,417 $ 22,924 $ 25,594
Weighted average number of shares - basic (in shares) 40,186 39,411 40,065 39,409
Dilutive effect of stock options 178 591 264 545
Weighted average number of shares - diluted (in shares) 40,364 40,002 40,329 39,954
Net income per share        
basic (in dollars per share) $ 0.17 $ 0.34 $ 0.57 $ 0.65
diluted (in dollars per share) $ 0.17 $ 0.34 $ 0.57 $ 0.64