Business Combination - Schedule of Purchase Price Allocation (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Nov. 24, 2015	Dec. 31, 2014
Assets acquired:
Goodwill	$ 129,412	$ 132,913		$ 81,229
Pericom
Assets acquired:
Cash and cash equivalents			$ 48,806
Short-term investments			72,537
Accounts receivable			22,740
Inventory			22,488
Prepaid expenses and other current assets			4,171
Fixed assets			72,210
Intangible assets			156,700
Goodwill			57,045
Other long-term assets			16,069
Total assets acquired			472,766
Liabilities assumed:
Accounts payable			16,925
Accrued liabilities and other			9,513
Income tax payable			1,831
Deferred tax liability			29,168
Other liabilities			12,155
Total liabilities assumed			69,592
Total net assets acquired			403,174
Total net assets acquired, net of cash acquired			354,368
Pericom | Preliminary November 24, 2015
Assets acquired:
Cash and cash equivalents			48,806
Short-term investments			72,537
Accounts receivable			22,740
Inventory			22,488
Prepaid expenses and other current assets			5,793
Fixed assets			72,210
Intangible assets			156,700
Goodwill			54,304
Other long-term assets			16,069
Total assets acquired			471,647
Liabilities assumed:
Accounts payable			16,925
Accrued liabilities and other			8,818
Income tax payable			1,498
Deferred tax liability			29,077
Other liabilities			12,155
Total liabilities assumed			68,473
Total net assets acquired			403,174
Total net assets acquired, net of cash acquired			354,368
Pericom | Measurement Period Adjustments
Assets acquired:
Prepaid expenses and other current assets			(1,622)
Goodwill			2,741
Total assets acquired			1,119
Liabilities assumed:
Accrued liabilities and other			695
Income tax payable			333
Deferred tax liability			91
Total liabilities assumed			$ 1,119