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Revenue Recognition - Changes in Contract Liabilities (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2021
Mar. 31, 2021
Mar. 31, 2020
Contract assets      
Contract assets $ 0 $ 0 $ 0
Deferred revenue      
Balance at beginning of period   36,644  
Additions   52,543  
Deductions   (57,483)  
Balance at end of period 31,704 31,704  
Deferred revenue, net of current portion      
Balance at beginning of period   4,826  
Deductions   (1,012)  
Balance at end of period 3,814 3,814  
Change in contract with customers      
Revenue recognized $ 8,300 $ 32,900