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Financial Statement Components - Effects on net income of amounts reclassified from AOCI (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
Accumulated Other Comprehensive Income (Loss) |  |
Revenues | $ 969,581 | $ 750,673
Costs of revenues | (353,449) | (277,836)
Interest expense | 30,576 | 30,732
Net income | 280,936 | 178,101
Unrealized Gains (Losses) on Defined Benefit Plans |  |
Accumulated Other Comprehensive Income (Loss) |  |
Other comprehensive (income) loss, reclassification adjustment from AOCI, pension and other postretirement benefit plans, net of tax | 400 | 400
Reclassification out of accumulated other comprehensive income | Unrealized gains (losses) on cash flow hedges from foreign exchange and interest rate contracts |  |
Accumulated Other Comprehensive Income (Loss) |  |
Revenues | 968 | (1,481)
Costs of revenues | 961 | (87)
Interest expense | 189 | 189
Net income | 2,118 | (1,379)
Reclassification out of accumulated other comprehensive income | Unrealized gains (losses) on available-for-sale securities |  |
Accumulated Other Comprehensive Income (Loss) |  |
Other expense (income), net | $ 6 | $ 204

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