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Revenue from Contracts with Customers Contract Balances (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Contract with Customer, Liability, Revenue Recognized $ 10,700  
Deferred Revenue (43,048) $ (44,891)
Net contract assets (liabilities) 602,300 574,812
Contract assets $ 645,348 $ 619,703