Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Narrative (Details)

v3.20.1
Stockholders' Equity - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 11, 2019
Mar. 31, 2020
Mar. 31, 2019
Sep. 30, 2018
Jan. 23, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Outstanding options that are exercisable (shares)   1,400,000      
Outstanding options that are exercisable, weighted average exercise price (USD per share)   $ 66.97      
Employee Stock Purchase Plan          
Stock repurchased during period   $ 73,287,000 $ 151,585,000    
Authorized stock repurchase amount $ 500,000,000.0     $ 200,000,000.0 $ 350,000,000.0
Period in force of stock repurchase program 3 years     3 years  
Increase in authorized stock repurchase amount         $ 150,000,000.0
Remaining authorized stock repurchase amount   $ 253,500,000      
Employee Stock Purchase Plan          
Employee Stock Purchase Plan          
Share purchase price as percent of market price (as a percent)   85.00%      
Shares available for future purchases (shares)   59,263