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Restructuring Expenses - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2020
Restructuring Cost And Reserve [Line Items]        
Restructuring costs $ 38,300 $ 0 $ 0 $ 38,338
Contract Termination        
Restructuring Cost And Reserve [Line Items]        
Restructuring and related cost incurred       5,300
Restructuring of contractual future payments       $ 14,000