Derivative Financial Instruments and Fair Value Measurements - Gains and Losses on Derivatives Designated as Cash Flow Hedges (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013		Jun. 30, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Losses on interest rate swap contracts	$ 63,424	[1]	$ 94,832	[1]
Losses on commodities contracts	(66)	[2]	255	[2]
(Gains) losses on foreign currency contracts	$ 0	[3]	$ (78)	[3]

[1] Recorded in interest expense in our unaudited Condensed Consolidated Statements of Operations.

[2] Recorded in distribution expense or cost of sales, depending on commodity type, in our unaudited Condensed Consolidated Statements of Operations.

[3] Recorded in cost of sales in our unaudited Condensed Consolidated Statements of Operations.