Business Acquisitions - Allocation of Purchase Price of Assets Acquired and Liabilities Assumed Based on the Fair Value (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 15, 2015	Jun. 27, 2015	Mar. 28, 2015	Jun. 28, 2014
Business Acquisition [Line Items]
Shares grant as compensation	513,328
Value of shares grant as compensation	$ 2,000	$ 324
Cash compensation	200	0
Allocated acquisition related compensation expenses		366
Business Combination, Integration Related Costs		$ 154	$ 800	$ 0
Acquisition-related Costs [Member]
Business Acquisition [Line Items]
Accounts receivable, net	454
Inventory	544
Prepaid expense and other current assets	295
Property, plant, and equipment	23
Goodwill	7,445
Acquired intangibles	3,618
Accounts payable and other accrued liabilities	(1,859)
Total purchase price, net of cash acquired	10,520
Topwin [Member]
Business Acquisition [Line Items]
Acquired intangibles			4,900
Payments to Acquire Businesses, Gross	$ 7,600
Shares issuable	748,944
Value of shares issuable	$ 2,900
Shares issuable, period of issuance	3 years
Shares issuable as contingent consideration	374,472
Value of shares issuable as contingent consideration	$ 400
Shares issuable as non-contingent consideration	374,472
Value of shares issuable as non-contingent consideration	$ 2,500
Developed technology | Topwin [Member]
Business Acquisition [Line Items]
Acquired intangibles			$ 3,500
Finite-Lived Intangible Assets, Maximum [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Finite-Lived Intangible Assets, Minimum [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	1 year