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Financial Statement Components - Effects on net income of amounts reclassified from AOCI (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) |  |  |  |
Revenues | $ 876,885 | $ 710,245 | $ 1,627,558 | $ 1,352,889
Costs of revenues | (318,507) | (280,980) | (596,343) | (551,224)
Interest expense | 30,624 | 30,539 | 61,356 | 61,103
Net income | 238,251 | 152,207 | 416,352 | 257,104
Other comprehensive (income) loss, reclassification adjustment from AOCI, pension and other postretirement benefit plans, net of tax | 900 | 700 | 1,300 | 1,000
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 | (1,425) | 324 | (2,906) | 1,009
Costs of revenues | (69) | (678) | (156) | (1,150)
Interest expense | 189 | 189 | 378 | 378
Net income | (1,305) | (165) | (2,684) | 237
Reclassification out of accumulated other comprehensive income | Unrealized gains (losses) on available-for-sale securities |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |
Other expense (income), net | $ 30 | $ 26 | $ 234 | $ 43

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