Change in Balances of Accumulated Comprehensive Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (86,133)	$ (72,434)	$ 1,415
Other comprehensive income (loss) before reclassifications	(67,591)	(13,631)	(73,489)
Amounts reclassified from accumulated other comprehensive income (loss)	(579)	(68)	(360)
Net current-period other comprehensive income (loss)	(68,170)	(13,699)	(73,849)
Ending balance	(154,303)	(86,133)	(72,434)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(82,067)	(70,157)	(325)
Other comprehensive income (loss) before reclassifications	(64,641)	(11,910)	(69,832)
Net current-period other comprehensive income (loss)	(64,641)	(11,910)	(69,832)
Ending balance	(146,708)	(82,067)	(70,157)
Gains (Losses) on Net Investment- Hedge Derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(3,912)	(2,354)	1,723
Other comprehensive income (loss) before reclassifications	(6,796)	(1,558)	(4,077)
Net current-period other comprehensive income (loss)	(6,796)	(1,558)	(4,077)
Ending balance	(10,708)	(3,912)	(2,354)
Unrealized Gains (Losses) on Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	846	164	419
Other comprehensive income (loss) before reclassifications	3,660	776	5
Amounts reclassified from accumulated other comprehensive income (loss)	(698)	(94)	(260)
Net current-period other comprehensive income (loss)	2,962	682	(255)
Ending balance	3,808	846	164
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(1,000)	(87)	(402)
Other comprehensive income (loss) before reclassifications	186	(939)	415
Amounts reclassified from accumulated other comprehensive income (loss)	119	26	(100)
Net current-period other comprehensive income (loss)	305	(913)	315
Ending balance	$ (695)	$ (1,000)	$ (87)