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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parentheticals) - USD ($)
$ in Thousands
Jun. 30, 2019
Jun. 30, 2018
Current assets:    
Cash and cash equivalents $ 235,352 $ 152,403
Restricted cash (included in other current assets) 1,462 1,370
Total cash, cash equivalents and restricted cash $ 236,814 $ 153,773