Acquisition and Divestiture Activities (Details) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2014 USD ($)	Sep. 27, 2014 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($) $ / shares	Sep. 01, 2014 USD ($) shares	Jul. 11, 2014 USD ($)	Jul. 11, 2014 TWD / shares
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Acquisition of business, net of cash acquired			$ 0	$ 6,750	$ 197,986
Acquisition of noncontrolling interests			0	0	(21,067)
Business Acquisition, Pro Forma Information [Abstract]
Business Acquisition, Pro Forma Revenue					2,522,010
Business Acquisition, Pro Forma Net Income (Loss)					$ 114,510
Business Acquisition, Pro Forma Earnings Per Share, Basic | $ / shares					$ 0.78
Business Acquisition, Pro Forma Earnings Per Share, Diluted | $ / shares					$ 0.75
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Goodwill	$ 144,359		141,407	138,244	$ 144,359
Holy Stone Polytech [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Acquisition of business, net of cash acquired					20,576
Finite-lived Intangible Assets Acquired					3,736
Goodwill related to acquisitions					$ 6,328
Business Acquisition, Name of Acquired Entity					Holy Stone Polytech Co., Ltd.
Business Acquisition, Effective Date of Acquisition					Jun. 11, 2014
Capella [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Number of shares acquired | shares						38,703,705
Business Acquisition, Percentage of Voting Interests Acquired						88.95%
Gross purchase price of acquired business		$ 180,167
Acquired cash and short-term investments						$ 50,195
Borrowings to fund acquisition		$ 53,000
Acquisition of noncontrolling interests	21,067
Business Acquisition, Transaction Costs	$ 843				$ 843
Business Acquisition, Name of Acquired Entity					Capella Microsystems (Taiwan) Inc.
Business Acquisition, Date of Acquisition Agreement					Jul. 11, 2014
Business Acquisition, Share Price | TWD / shares								TWD 139
Offered purchase price							$ 205,000
Sonntag [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Acquisition of business, net of cash acquired			5,450
Goodwill related to acquisitions			$ 3,485
Gross purchase price of acquired business				$ 6,750
Business Acquisition, Name of Acquired Entity			Sonntag Electronic GmbH
Business Acquisition, Effective Date of Acquisition			Jan. 01, 2016