Quarterly report pursuant to Section 13 or 15(d)

Financial Statement Components - Effects on net income of amounts reclassified from AOCI (Details)

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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