Acquisitions - Additional Information (Detail) - USD ($)		1 Months Ended		3 Months Ended	12 Months Ended
	Jun. 03, 2016	Mar. 31, 2016	Feb. 29, 2016	Sep. 30, 2016	Jun. 30, 2016
Business Acquisition [Line Items]
Goodwill				$ 233,604,000	$ 233,755,000
EpiWorks
Business Acquisition [Line Items]
Net cash paid at acquisition			$ 42,981,000
Payment of additional amount for working capital adjustment			163,000
Goodwill			27,588,000
Fair value of accounts receivable acquired			2,100,000
Fair value of accounts receivable gross contractual amount			2,100,000
EpiWorks | Upon Achievement of Financial and Operational Targets For Capacity Wafer Output and Gross Margin [Member] | Maximum [Member]
Business Acquisition [Line Items]
Business acquisitions, contingent consideration			6,000,000
EpiWorks | Upon Achievement of Financial and Operational Targets for Capacity, Wafer Output and Gross Margin in year one [Member]
Business Acquisition [Line Items]
Business acquisitions, contingent consideration, current			2,000,000
EpiWorks | Upon Achievement of Financial and Operational Targets For Capacity Wafer Output and Gross Margin in year two [Member]
Business Acquisition [Line Items]
Business acquisitions, contingent consideration, non current			2,000,000
EpiWorks | Upon Achievement of Financial and Operational Targets For Capacity Wafer Output and Gross Margin in year three [Member]
Business Acquisition [Line Items]
Business acquisitions, contingent consideration, non current			$ 2,000,000
ANADIGICS
Business Acquisition [Line Items]
Net cash paid at acquisition		$ 78,200,000
Payment of additional amount for working capital adjustment		3,500,000
Goodwill		48,312,000
Fair value of accounts receivable acquired		4,000,000
Fair value of accounts receivable gross contractual amount		4,000,000
Business acquisition, cash acquired		$ 2,700,000
Deferred income taxes, valuation allowance					36,200,000
RF Business of ANADIGICS
Business Acquisition [Line Items]
Proceeds from the sale of business	$ 45,000,000
Working capital adjustment to be received from divesture of business	600,000
Contingent consideration to be earned from divesture of business	5,000,000
Contingent consideration recognized in net earnings	$ 5,000,000
Contingent consideration, period	18 months
Business divesture transaction expenses					400,000
RF Business of ANADIGICS | Other Income, Net
Business Acquisition [Line Items]
Contingent consideration recognized in net earnings				$ 1,250,000
RF Business of ANADIGICS | Maximum [Member]
Business Acquisition [Line Items]
Working capital adjustment recognition period	60 days
Gain on sale of business					$ 100,000