Annual report pursuant to Section 13 and 15(d)

Marketable Securities - Additional Information (Details)

v3.19.2
Marketable Securities - Additional Information (Details)
$ in Millions
12 Months Ended
Jun. 30, 2019
USD ($)
investment
Marketable Securities  
Number of investments in an unrealized loss position | investment 246
Realized losses on available for sale securities | $ $ 1.4
Corporate and Government Securities  
Marketable Securities  
Investment portfolio, maximum maturity term 3 years