Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes Disclosure [Line Items]
Income tax expense at federal statutory rate, rate	35.00%	35.00%	35.00%
Tax adjustments	$ 7,900
Excess tax benefits	26,400	$ 56,800	$ 32,500
Cumulative undistributed earnings of non-U.S. subsidiaries	1,097,100
Valuation allowance for deferred tax assets	62,600	27,100
Net change in the total valuation allowance	35,500	25,600
Net operating loss carryforwards for state income tax purposes	776,600
Federal operating loss carry forwards	11,800
Accrued interest and penalties related to the unrecognized tax benefits	5,400	7,400
Total unrecognized tax benefits	21,834	$ 18,641	$ 21,601	$ 7,077
Unrecognized tax benefits that would affect effective tax rate	$ 15,000
State Jurisdiction [Member]
Income Taxes Disclosure [Line Items]
End year net operating loss carryforwards offset future taxable income	2027