v2.4.0.8
Debt - Schedule of Debt Interest Rate Swaps (Detail)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Including Impact of Interest Rate Swap [Member]
   
Debt Instrument [Line Items]    
Debt Instrument interest rate 6.14% 8.99%
Excluding Impact of Interest Rate Swap [Member]
   
Debt Instrument [Line Items]    
Debt Instrument interest rate 5.50% 8.32%