Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Line Items]
Income tax on undistributed earnings of foreign subsidiaries	$ 89,900,000
Realized tax gain	47,500,000
Offset taxable income future period	8,400,000
AMT credit carryforward	2,100,000
Operating loss carryforwards	0
Accumulated undistributed earnings of foreign subsidiaries resulting from unremitted earnings	334,800,000
Current deferred tax liability	43,162,000	0
Uncertain tax positions	5,600,000
Net income tax benefit	2,200,000
Accrued interest	0
Accrued penalty	100,000
Venezuela [Member]
Income Taxes [Line Items]
Foreign operating loss carryforwards	100,000
Prior Year [Member]
Income Taxes [Line Items]
Offset taxable income by loss	10,800,000
Current Year [Member]
Income Taxes [Line Items]
Offset taxable income by loss	$ 36,700,000