Derivative Instruments and Hedging Activities Carrying Values of Derivative Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Derivative [Line Items]
Derivative Net Carrying Value	$ (3,978)		$ (7,179)
Designated as Hedging Instrument
Derivative [Line Items]
Derivative Net Carrying Value	(53)		(2,570)
Designated as Hedging Instrument | Foreign Exchange Contract
Derivative [Line Items]
Derivative Net Carrying Value	(53)	[1]	(2,570)	[1]
Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative Net Carrying Value	(3,925)		(4,609)
Not Designated as Hedging Instrument | Commodity contracts
Derivative [Line Items]
Derivative Net Carrying Value	(3,925)	[1]	(4,609)	[1]
Prepaid Expenses And Other Current Assets
Derivative [Line Items]
Fair Value— Assets	2,881		534
Prepaid Expenses And Other Current Assets | Designated as Hedging Instrument
Derivative [Line Items]
Fair Value— Assets	2,881		534
Prepaid Expenses And Other Current Assets | Designated as Hedging Instrument | Foreign Exchange Contract
Derivative [Line Items]
Fair Value— Assets	2,881	[1]	534	[1]
Prepaid Expenses And Other Current Assets | Not Designated as Hedging Instrument
Derivative [Line Items]
Fair Value— Assets	0		0
Prepaid Expenses And Other Current Assets | Not Designated as Hedging Instrument | Commodity contracts
Derivative [Line Items]
Fair Value— Assets	0	[1]	0	[1]
Other Current Liabilities
Derivative [Line Items]
Fair Value— (Liabilities)	(6,859)		(7,713)
Other Current Liabilities | Designated as Hedging Instrument
Derivative [Line Items]
Fair Value— (Liabilities)	(2,934)		(3,104)
Other Current Liabilities | Designated as Hedging Instrument | Foreign Exchange Contract
Derivative [Line Items]
Fair Value— (Liabilities)	(2,934)	[1]	(3,104)	[1]
Other Current Liabilities | Not Designated as Hedging Instrument
Derivative [Line Items]
Fair Value— (Liabilities)	(3,925)		(4,609)
Other Current Liabilities | Not Designated as Hedging Instrument | Commodity contracts
Derivative [Line Items]
Fair Value— (Liabilities)	$ (3,925)	[1]	$ (4,609)	[1]

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