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Revenues - Contract Balances (Details) - USD ($)
3 Months Ended 6 Months Ended
Dec. 31, 2018
Dec. 31, 2018
Jul. 01, 2018
Jun. 30, 2018
Revenue from Contract with Customer [Abstract]        
Short-term contract assets $ 13,607,000 $ 13,607,000 $ 5,474,000 $ 0
Long-term contract assets 11,804,000 11,804,000 12,382,000 0
Short-term deferred revenue 572,915,000 572,915,000 618,197,000 644,211,000
Long-term deferred revenue 45,538,000 45,538,000 $ 64,743,000 $ 69,197,000
Contract assets reclassified to receivables   5,900,000    
Asset impairment $ 0 0    
Revenue recognized   $ 506,000,000