Net Sales Based On Location of External Customers by Geographic Region (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Segment Reporting Information [Line Items]
Net sales	$ 759,900		$ 742,600		$ 1,500,200		$ 1,472,600
United States
Segment Reporting Information [Line Items]
Net sales	497,600		490,000		996,100		986,200
Europe
Segment Reporting Information [Line Items]
Net sales	123,000	[1]	123,800	[1]	239,800	[1]	240,500	[1]
Japan
Segment Reporting Information [Line Items]
Net sales	40,000		41,500		80,000		80,600
Other
Segment Reporting Information [Line Items]
Net sales	$ 99,300	[1]	$ 87,300	[1]	$ 184,300	[1]	$ 165,300	[1]

[1] Beginning in 2013, certain emerging markets in Europe are included in the "other" geographic region. Prior year amounts have been reclassified to conform to the current year presentation.