Pericom Semiconductor Corporation Acquisition - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Business Acquisition [Line Items]
Additional interest expense included in unaudited proforma consolidated results	$ 2,512	$ 1,064
Income tax expense benefit included in unaudited proforma consolidated results	$ (552)	4,187
Pericom
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Information, Description	The following unaudited pro forma consolidated results of operations for the three months ended March 31, 2015 has been prepared as if the acquisition of Pericom had occurred at January 1, 2015. The unaudited pro forma consolidated results of operations do not purport to be indicative of the results that would have been obtained if the above acquisition had actually occurred as of the dates indicated or of those results that may be obtained in the future. These unaudited pro forma consolidated results of operations were derived, in part, from the historical consolidated financial statements of Pericom and other available information and assumptions believed to be reasonable under the circumstances.
Acquisition related costs excluded in unaudited proforma consolidated results		13,900
Cost of restricted stock grants and change in control agreements excluded in unaudited proforma consolidated results		8,000
Additional inventory fair value adjustments included in unaudited proforma consolidated results		6,100
Additional amortization included in unaudited proforma consolidated results		3,300
Additional interest expense included in unaudited proforma consolidated results		1,800
Income tax expense benefit included in unaudited proforma consolidated results		$ 2,100