Segment and Related Information - Summary of Net Sales to Customers, Attributed to Countries (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012
Segment Reporting Information [Line Items]
Net sales	$ 96,168	$ 94,441	$ 77,850	$ 64,864	$ 61,135	$ 55,977	$ 62,235	$ 52,227	$ 333,323	$ 231,574	$ 206,312
United States [Member]
Segment Reporting Information [Line Items]
Net sales									78,243	45,773	45,749
Malaysia [Member]
Segment Reporting Information [Line Items]
Net sales									73,861	51,652	40,326
China [Member]
Segment Reporting Information [Line Items]
Net sales									51,410	37,621	31,970
Philippines [Member]
Segment Reporting Information [Line Items]
Net sales									28,670	26,563	22,507
Costa Rica [Member]
Segment Reporting Information [Line Items]
Net sales									9,714	5,127	22,934
Rest of the World [Member]
Segment Reporting Information [Line Items]
Net sales									$ 91,425	$ 64,838	$ 42,826