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, 2018
Sep. 30, 2017
Accumulated Other Comprehensive Income (Loss)    
Revenues $ 1,093,260 $ 969,581
Costs of revenues 381,387 353,117
Interest expense 26,362 30,576
Net income 395,944 280,936
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 200 200
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 983 968
Costs of revenues (134) 961
Interest expense 188 189
Net income 1,037 2,118
Reclassification out of accumulated other comprehensive income | Unrealized gains (losses) on available-for-sale securities    
Accumulated Other Comprehensive Income (Loss)    
Other expense (income), net $ (481) $ 6