Derivative Financial Instruments and Fair Value Measurements - Derivatives Recorded at Fair Value in Consolidated Balance Sheets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 969		$ 1,740
Derivative Liability, Fair Value, Gross Liability	318		30,033
Designated As Hedging Instrument | Current | Commodities Contracts
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	714	[1]	776	[1]
Derivative Liability, Fair Value, Gross Liability	204	[1]	1,143	[1]
Designated As Hedging Instrument | Interest Rate Swap Contracts | Current
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability			17,716	[1]
Designated As Hedging Instrument | Interest Rate Swap Contracts | Non Current
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability			10,432	[2]
Not Designated As Hedging Instruments | Current | Commodities Contracts
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	255	[1]	964	[1]
Derivative Liability, Fair Value, Gross Liability	$ 114	[1]	$ 742	[1]

[1] Derivative assets and liabilities that have settlement dates equal to or less than 12 months from the respective balance sheet date were included in other current assets and accounts payable and accrued expenses, respectively, in our Consolidated Balance Sheets.

[2] Derivative assets and liabilities that have settlement dates greater than 12 months from the respective balance sheet date were included in identifiable intangible and other assets, net and other long-term liabilities, respectively, in our Consolidated Balance Sheets.