XML 112 R85.htm IDEA: XBRL DOCUMENT v3.3.1.900
Income Taxes - Differences between Total Income Tax Expense and Income Tax Expense (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]      
Computed “expected” Federal income tax expense $ 21,343 $ 53,415 $ 42,304
(Decrease) increase in income taxes resulting from:      
State income taxes, net (460) 8,118 3,138
Foreign non-taxed income, rate differential (7,609) (5,453) (2,647)
Other adjustments, net 323 (3,355) 2,593
Total income tax expense (benefit) $ 13,597 $ 52,725 $ 45,388