Segment Information - Revenue by Geographic Area (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 28, 2014	Mar. 29, 2013
Segment Reporting Information [Line Items]
Sales	$ 144,224	$ 100,464
United States [Member]
Segment Reporting Information [Line Items]
Sales	105,805	83,213
China [Member]
Segment Reporting Information [Line Items]
Sales	17,541	4,752
Singapore [Member]
Segment Reporting Information [Line Items]
Sales	17,619	10,505
Other Asia [Member]
Segment Reporting Information [Line Items]
Sales	3,074	1,994
Europe [Member]
Segment Reporting Information [Line Items]
Sales	$ 185