Quarterly report pursuant to Section 13 or 15(d)

Schedule of Long-Term Debt (Parenthetical) (Detail)

v2.4.0.8
Schedule of Long-Term Debt (Parenthetical) (Detail)
Jun. 30, 2013
Dec. 31, 2012
Debt Instrument [Line Items]    
Senior notes interest rate 8.50% 8.50%