Carrying Values of Derivative Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012		Dec. 31, 2011
Derivative [Line Items]
Derivative Net Carrying Value	$ (1,317)		$ 2,241
Designated as Hedging Instrument
Derivative [Line Items]
Derivative Net Carrying Value	(1,855)		3,578
Designated as Hedging Instrument | Foreign currency contracts
Derivative [Line Items]
Derivative Net Carrying Value	(1,855)	[1]	3,578	[1]
Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative Net Carrying Value	538		(1,337)
Not Designated as Hedging Instrument | Commodity Contract
Derivative [Line Items]
Derivative Net Carrying Value	538	[1]	(1,337)	[1]
Prepaid Expenses and Other Current Assets
Derivative [Line Items]
Fair Value-Assets	2,879		4,931
Prepaid Expenses and Other Current Assets | Designated as Hedging Instrument
Derivative [Line Items]
Fair Value-Assets	1,427		4,738
Prepaid Expenses and Other Current Assets | Designated as Hedging Instrument | Foreign currency contracts
Derivative [Line Items]
Fair Value-Assets	1,427	[1]	4,738	[1]
Prepaid Expenses and Other Current Assets | Not Designated as Hedging Instrument
Derivative [Line Items]
Fair Value-Assets	1,452		193
Prepaid Expenses and Other Current Assets | Not Designated as Hedging Instrument | Commodity Contract
Derivative [Line Items]
Fair Value-Assets	1,452	[1]	193	[1]
Other Current Liabilities
Derivative [Line Items]
Fair Value-(Liabilities)	(4,196)		(2,690)
Other Current Liabilities | Designated as Hedging Instrument
Derivative [Line Items]
Fair Value-(Liabilities)	(3,282)		(1,160)
Other Current Liabilities | Designated as Hedging Instrument | Foreign currency contracts
Derivative [Line Items]
Fair Value-(Liabilities)	(3,282)	[1]	(1,160)	[1]
Other Current Liabilities | Not Designated as Hedging Instrument
Derivative [Line Items]
Fair Value-(Liabilities)	(914)		(1,530)
Other Current Liabilities | Not Designated as Hedging Instrument | Commodity Contract
Derivative [Line Items]
Fair Value-(Liabilities)	$ (914)	[1]	$ (1,530)	[1]

[1] Assets are included in Prepaid expenses and other and liabilities are included in Other accrued expenses on the accompanying consolidated balance sheets.