Other Current Liabilities - Schedule of Other Current Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Other Liabilities Current [Line Items]
Accrued payrolls and bonuses	$ 80,027	$ 42,229
VAT payable	30,129	21,744
Interest payable	14,788	14,822
Current pension and other postretirement benefit obligation	2,949	12,852
Accrued insurance (including workers' compensation)	11,016	7,806
Other	131,331	104,382
Total	$ 270,240	$ 203,835