XML 62 R46.htm IDEA: XBRL DOCUMENT v3.8.0.1
Schedule of Tax Effects Allocated to Each Component of Other Comprehensive Gain (Loss) (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Components Of Other Comprehensive Income Loss [Line Items]      
Foreign currency translation adjustment $ 15,993 $ 6,211 $ (39,378)
Unrealized (loss) gain on cash flow hedging instruments (961) (1,321) 3,716
Income tax benefit (expense) 259 356 (1,003)
Unrealized (loss) gain on cash flow hedging instruments, net of tax (702) (965) 2,713
Reclassification of (gain) loss on cash flow hedging instruments into earnings (491) 442 (2,730)
Income tax expense (benefit) 133 (119) 737
Reclassification of (gain) loss on cash flow hedging instruments into earnings, net of tax (358) 323 (1,993)
Unrealized gain (loss) on available-for-sale securities 51 27 (12)
Income tax (expense) benefit (66) (13) 4
Unrealized (loss) gain on available-for-sale securities, net of tax (15) 14 (8)
Other comprehensive gain (loss) $ 14,918 $ 5,583 $ (38,666)