Income Taxes - Component of Income Taxes (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Line Items]
Expected tax expense (benefit), at U.S. federal statutory income tax rate of 35%	$ (33,800,000)	$ 27,000,000	$ 34,400,000
Incremental U.S. tax and rate differences on equity in earnings	(7,400,000)	(7,400,000)	(13,300,000)
Tax rate changes			(1,400,000)
Nondeductible goodwill impairment		2,200,000
U.S. state income taxes other, net	(700,000)	(1,900,000)	100,000
Income tax expense (benefit)	$ (41,911,000)	$ 19,933,000	$ 19,751,000