Other Income Expense (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Component of Other Expense, Nonoperating [Line Items]
Foreign exchange rate losses, net	$ (16,179)	$ (8,465)	$ (16,159)
Equity gains (losses) on unconsolidated affiliates	(5,163)	1,933	391
Other	1,067	(505)	196
Total	$ (20,275)	$ (7,037)	$ (15,572)