Reconciliation of Income Tax Expenses Computed at Federal Statutory Rate with Income Tax Expense (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Component Of Net Income Tax Assets And Liabilities [Line Items]
Expected income tax expense at 35%	$ 32,027	[1]	$ 27,842	[1]	$ 4,091	[1]
Foreign tax rate differential	(422)		(2,688)		(764)
State income tax expense - net of Federal benefit	1,586		1,147		884
Non-deductible expenses	2,321		2,851		2,624
Non-deductible bond conversion costs	1,900
Loss carrybacks			(1,442)		(1,829)
Adjustments to deferred tax liabilities	(2,408)		12,381		10,781
Valuation allowance	(6,555)		(71,106)		(7,163)
Other - net	32		1,376		717
Income tax expense (benefit)	$ 28,481		$ (29,639)		$ 9,341
Effective income tax rates (%)	31.10%	[1]	(37.30%)	[1]	79.90%	[1]

[1] Calculated using earnings before taxes and after noncontrolling interests.