Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Taxes [Line Items]
Favorable discrete tax items	$ 1,000,000	$ 1,000,000	$ 1,000,000
Deferred federal and state tax benefit	5,000,000	7,000,000
Future taxable income, amount	959,000,000
Deferred state tax benefit (net of the federal benefit)	3,278,000	(6,157,000)	5,800,000
Net operating losses	57,204,000	54,874,000
Deferred foreign tax benefit	3,000,000
Valuation allowances	46,841,000	44,511,000
Increase in estimated liabilities for uncertain tax positions	1,000,000	1,000,000
Decrease in estimated liabilities for uncertain tax positions due to the lapse of the statute of limitations	1,000,000
Impact of unrecognized tax benefits if recognized	2,000,000	4,000,000
Jurisdictions statutes of limitations expiration period	12 months
Period of expiration of the statute of limitations for certain jurisdictions	Within the next twelve months
Minimum
Income Taxes [Line Items]
Foreign and U.S. state and local jurisdictions have statutes of limitations, in years	3
Maximum
Income Taxes [Line Items]
Accrued interest and penalties	1,000,000	1,000,000
Foreign and U.S. state and local jurisdictions have statutes of limitations, in years	4
State and Local Jurisdiction
Income Taxes [Line Items]
Deferred state tax benefit (net of the federal benefit)	47,000,000
Foreign Tax Authority
Income Taxes [Line Items]
Net operating losses	8,000,000
Allowance in relation to state tax benefit
Income Taxes [Line Items]
Valuation allowances	44,000,000	41,000,000
Net Operating Losses
Income Taxes [Line Items]
Increase in valuation allowance	3,000,000
Foreign Net Operating Losses
Income Taxes [Line Items]
Increase in valuation allowance	$ 3,000,000	$ 3,000,000