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, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Segment Reporting Information [Line Items]
Net sales	$ 827,100		$ 759,900		$ 1,626,400		$ 1,500,200
United States
Segment Reporting Information [Line Items]
Net sales	555,100		497,600		1,106,500		996,100
Europe
Segment Reporting Information [Line Items]
Net sales	126,400	[1]	120,000	[1]	246,500	[1]	234,100	[1]
Japan
Segment Reporting Information [Line Items]
Net sales	42,300		40,000		81,200		80,000
Other
Segment Reporting Information [Line Items]
Net sales	$ 103,300	[1]	$ 102,300	[1]	$ 192,200	[1]	$ 190,000	[1]

[1] Beginning in 2014, 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.