Registration of securities issued in business combination transactions

Fair Value of Financial Instruments - Additional Information (Detail)

v2.4.0.8
Fair Value of Financial Instruments - Additional Information (Detail) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]        
Carrying value of assets $ 339,500,000     $ 339,500,000
Fair value 169,500,000     169,500,000
Impairments and other charges 170,000,000 0 0 170,000,000
Significant Other Observable Inputs (Level 2) [Member]
       
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]        
Carrying amount of interest rate swap agreements   $ 0 $ 100,000