Segment Information - Revenue by Geographic Area (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 27, 2013	Dec. 28, 2012	Dec. 30, 2011
Segment Reporting Information [Line Items]
Sales	$ 444,022	$ 403,430	$ 452,639
United States [Member]
Segment Reporting Information [Line Items]
Sales	331,351	313,758	357,306
China [Member]
Segment Reporting Information [Line Items]
Sales	39,044	24,664	23,564
Singapore [Member]
Segment Reporting Information [Line Items]
Sales	63,817	62,143	52,608
Other Asia [Member]
Segment Reporting Information [Line Items]
Sales	9,754	2,772	12,069
Europe [Member]
Segment Reporting Information [Line Items]
Sales	$ 56	$ 93	$ 7,092