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Acquisitions - Additional Information (Detail) - USD ($) |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 03, 2016 | Jun. 30, 2017 | Mar. 31, 2016 | Feb. 29, 2016 | Dec. 31, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Net cash paid at acquisition |  |  |  |  |  | $ 40,015,000 | $ 122,157,000 |
Goodwill |  | $ 250,342,000 |  |  |  | 250,342,000 | 233,755,000 | $ 195,894,000
Goodwill attributed to the RF business sold |  |  |  |  |  |  | 35,352,000 |
Deferred income taxes, valuation allowance |  | 42,562,000 |  |  |  | 42,562,000 | 42,641,000 |
Proceeds from the sale of business |  |  |  |  |  |  | 45,000,000 |
Integrated Photonics, Inc |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Net cash paid at acquisition |  | 39,436,000 |  |  |  |  |  |
Payment of additional amount for working capital adjustment |  | 700,000 |  |  |  |  |  |
Goodwill |  | 17,107,000 |  |  |  | 17,107,000 |  |
Fair value of accounts receivable acquired |  | 2,100,000 |  |  |  | 2,100,000 |  |
Fair value of accounts receivable gross contractual amount |  | 2,100,000 |  |  |  | 2,100,000 |  |
Business acquisition, transaction costs |  | 300,000 |  |  |  | 300,000 |  |
Integrated Photonics, Inc | Upon Achievement of Financial And Transitional Objectives Relating to Finance Information Technology And Human Resources |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business acquisitions, contingent consideration, current |  | 2,500,000 |  |  |  | 2,500,000 |  |
Integrated Photonics, Inc | Upon Achievement of Financial And Transitional Objectives Relating to Finance Information Technology And Human Resources | Maximum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business acquisitions, contingent consideration |  | $ 2,500,000 |  |  |  | $ 2,500,000 |  |
DirectPhotonics Industries GmbH | Germany |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payment for purchase of certain assets |  |  |  |  | $ 600,000 |  |  |
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 |  |  |  |
Business acquisition, transaction costs |  |  |  |  |  |  | 400,000 |
EpiWorks | Upon Achievement of Financial and Operational Targets For Capacity Wafer Output and Gross Margin | Maximum |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |
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, transaction costs |  |  |  |  |  |  | 2,900,000 |
Business acquisition, cash acquired |  |  | $ 2,700,000 |  |  |  |  |
Goodwill attributed to the RF business sold | $ 35,400,000 |  |  |  |  |  |  |
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, period | 18 months |  |  |  |  |  |  |
Contingent consideration recognized in net earnings | $ 5,000,000 |  |  |  |  |  |  |
Business divesture transaction expenses |  |  |  |  |  |  | 400,000 |
Severance expense for employees of the business | $ 7,500,000 |  |  |  |  |  |  |
Business acquisition, revenue of acquired entity |  |  |  |  |  |  | 10,100,000 |
Business acquisition, loss of acquired entity |  |  |  |  |  |  | 8,400,000 |
RF Business of ANADIGICS | Maximum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Working capital adjustment recognition period | 60 days |  |  |  |  |  |  |
Gain on sale of business |  |  |  |  |  |  | $ 100,000 |

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