XML 41 R30.htm IDEA: XBRL DOCUMENT v3.8.0.1
Basis of Presentation - Cash Equivalents (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Jun. 30, 2017
Mar. 31, 2017
Jun. 30, 2016
Cash Equivalents        
Cash, cash equivalents, and investments $ 194,001 $ 169,650 $ 158,472 $ 104,370