Other Long-Term Assets - Additional Information (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Schedule of Other Long Term Assets [Line Items]
Other long-term assets	$ 18,162,000	$ 24,478,000
Deferred Debt Issuance Costs
Schedule of Other Long Term Assets [Line Items]
Deferred finance costs	11,500,000	17,000,000
Indemnification Assets
Schedule of Other Long Term Assets [Line Items]
Other long-term assets	1,700,000	3,900,000
Software And Services
Schedule of Other Long Term Assets [Line Items]
Other long-term assets	$ 5,000,000	$ 3,600,000