Long-Term Debt - Redemption Prices (Expressed as Percentages of the Principal Amount Redeemed) (Detail)	Dec. 31, 2013
2016
Debt Instrument [Line Items]
Percentage	103.375%
2017
Debt Instrument [Line Items]
Percentage	102.25%
2018
Debt Instrument [Line Items]
Percentage	101.125%
2019 and thereafter
Debt Instrument [Line Items]
Percentage	100.00%