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Basis of Presentation - Revision of Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current taxes:
United States	$ 14,745	$ 40,856	$ 36,596
State	783	2,602	3,323
Foreign	7,760	5,314	13,489
Current taxes, Total	23,288	48,772	53,408
As Previously Reported [Member]
Current taxes:
United States	10,431	25,824	27,789
State	783	2,602	3,323
Foreign	12,074	20,346	22,296
Current taxes, Total	23,288	48,772	53,408
Adjustment [Member]
Current taxes:
United States	4,314	15,032	8,807
Foreign	$ (4,314)	$ (15,032)	$ (8,807)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.