Acquisition and Divestiture Activities (Details) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended		3 Months Ended	6 Months Ended	3 Months Ended
	Jun. 28, 2014 USD ($)	Jun. 29, 2013 USD ($)	Jun. 28, 2014 Holy Stone Polytech [Member]	Jun. 28, 2014 Holy Stone Polytech [Member] USD ($)	Sep. 27, 2014 Capella [Member]	Jul. 11, 2014 Capella [Member] USD ($)	Jul. 11, 2014 Capella [Member] TWD
Business Acquisitions
Acquisition of business, net of cash acquired	$ 20,776	$ 23,034		$ 20,776
Business Acquisition, Share Price							139
Business Acquisition, Name of Acquired Entity			Holy Stone Polytech Co., Ltd.		Capella Microsystems (Taiwan) Inc.
Business Acquisition, Date of Acquisition Agreement					Jul. 11, 2014
Business Acquisition, Effective Date of Acquisition			Jun. 11, 2014
Offered purchase price						205,000
Finite-lived Intangible Assets Acquired				5,183
Goodwill related to acquisitions				$ 9,509