XML 70 R57.htm IDEA: XBRL DOCUMENT v3.8.0.1
Components of Income Tax Expense (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Income Tax Expense Benefit [Line Items]      
Current $ 101,902 $ 194,149 $ 203,771
Deferred 66,121 (22,324) (15,847)
Deferred 64,630 (32,594) (15,847)
Taxes on income 168,023 171,825 187,924
Domestic 112,615 166,152 170,883
Foreign 55,408 5,673 17,041
Taxes on income 168,023 171,825 187,924
Domestic Tax Authority      
Income Tax Expense Benefit [Line Items]      
Current 94,340 175,522 175,828
Deferred 18,275 (9,370) (4,945)
Taxes on income 112,615 166,152 170,883
Taxes on income 112,615 166,152 170,883
U.S.      
Income Tax Expense Benefit [Line Items]      
Foreign taxes, Current 7,562 18,627 27,943
Foreign taxes, Deferred 47,846 (12,954) (10,902)
Foreign $ 55,408 $ 5,673 $ 17,041