Derivative Instruments and Hedging Activities Carrying Values of Derivative Instruments (Detail) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Derivative [Line Items]
Derivative Net Carrying Value		$ (4,040)	$ (7,179)
Designated as Hedging Instrument
Derivative [Line Items]
Derivative Net Carrying Value		(2,180)	(2,570)
Designated as Hedging Instrument | Foreign Exchange Contract
Derivative [Line Items]
Derivative Net Carrying Value	[1]	(2,180)	(2,570)
Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative Net Carrying Value		(1,860)	(4,609)
Not Designated as Hedging Instrument | Commodity contracts
Derivative [Line Items]
Derivative Net Carrying Value	[1]	(1,860)	(4,609)
Prepaid Expenses And Other Current Assets
Derivative [Line Items]
Fair Value— Assets		1,488	534
Prepaid Expenses And Other Current Assets | Designated as Hedging Instrument
Derivative [Line Items]
Fair Value— Assets		1,488	534
Prepaid Expenses And Other Current Assets | Designated as Hedging Instrument | Foreign Exchange Contract
Derivative [Line Items]
Fair Value— Assets	[1]	1,488	534
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	[1]	0	0
Other Current Liabilities
Derivative [Line Items]
Fair Value— (Liabilities)		(5,528)	(7,713)
Other Current Liabilities | Designated as Hedging Instrument
Derivative [Line Items]
Fair Value— (Liabilities)		(3,668)	(3,104)
Other Current Liabilities | Designated as Hedging Instrument | Foreign Exchange Contract
Derivative [Line Items]
Fair Value— (Liabilities)	[1]	(3,668)	(3,104)
Other Current Liabilities | Not Designated as Hedging Instrument
Derivative [Line Items]
Fair Value— (Liabilities)		(1,860)	(4,609)
Other Current Liabilities | Not Designated as Hedging Instrument | Commodity contracts
Derivative [Line Items]
Fair Value— (Liabilities)	[1]	$ (1,860)	$ (4,609)

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