Derivative Instruments and Hedging Activities Carrying Values of Derivative Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Derivative [Line Items]
Derivative Net Carrying Value	$ (7,179)		$ 21
Designated as Hedging Instrument
Derivative [Line Items]
Derivative Net Carrying Value	(2,570)		(9)
Designated as Hedging Instrument | Foreign currency contracts
Derivative [Line Items]
Derivative Net Carrying Value	(2,570)	[1]	(9)	[1]
Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative Net Carrying Value	(4,609)		30
Not Designated as Hedging Instrument | Commodity contracts
Derivative [Line Items]
Derivative Net Carrying Value	(4,609)	[1]	30	[1]
Prepaid Expenses And Other Current Assets
Derivative [Line Items]
Fair Value— Assets	534		1,240
Prepaid Expenses And Other Current Assets | Designated as Hedging Instrument
Derivative [Line Items]
Fair Value— Assets	534		1,194
Prepaid Expenses And Other Current Assets | Designated as Hedging Instrument | Foreign currency contracts
Derivative [Line Items]
Fair Value— Assets	534	[1]	1,194	[1]
Prepaid Expenses And Other Current Assets | Not Designated as Hedging Instrument
Derivative [Line Items]
Fair Value— Assets	0		46
Prepaid Expenses And Other Current Assets | Not Designated as Hedging Instrument | Commodity contracts
Derivative [Line Items]
Fair Value— Assets	0	[1]	46	[1]
Other Current Liabilities
Derivative [Line Items]
Fair Value— (Liabilities)	(7,713)		(1,219)
Other Current Liabilities | Designated as Hedging Instrument
Derivative [Line Items]
Fair Value— (Liabilities)	(3,104)		(1,203)
Other Current Liabilities | Designated as Hedging Instrument | Foreign currency contracts
Derivative [Line Items]
Fair Value— (Liabilities)	(3,104)	[1]	(1,203)	[1]
Other Current Liabilities | Not Designated as Hedging Instrument
Derivative [Line Items]
Fair Value— (Liabilities)	(4,609)		(16)
Other Current Liabilities | Not Designated as Hedging Instrument | Commodity contracts
Derivative [Line Items]
Fair Value— (Liabilities)	$ (4,609)	[1]	$ (16)	[1]

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