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Business Combinations - Schedule of Non-recurring Adjustments Attributable to Business Combination (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Mar. 31, 2019 | Mar. 31, 2018
Business Acquisition |  |  |  |  |  |  |  |
Adjustment to expense | $ (192,645) | $ (369,100) | $ (395,944) | $ (306,881) | $ 134,319 | $ (280,936) | $ (957,689) | $ (453,498)
Deferred revenue fair value adjustment | Orbotech and three privately-held companies |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |
Adjustment to revenue | 0 |  |  | (536) |  |  | 0 | 5,625
Inventory fair value adjustment | Orbotech and three privately-held companies |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |
Adjustment to expense | 78 |  |  | 468 |  |  | 1,029 | 85,904
Transaction costs | Orbotech and three privately-held companies |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |
Adjustment to expense | (53,342) |  |  | (8,615) |  |  | (61,378) | 65,535
Compensation costs | Orbotech and three privately-held companies |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |
Adjustment to expense | $ 1,724 |  |  | $ 3,009 |  |  | $ 7,918 | $ 39,820

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