XML 21 R2.htm IDEA: XBRL DOCUMENT
v3.24.1

Pay vs Performance Disclosure | 12 Months Ended
--- | ---
Dec. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 25, 2021 USD ($) | Dec. 26, 2020 USD ($)
Pay vs Performance Disclosure |  |  |  |
Pay vs Performance Disclosure, Table | Pay Versus Performance In accordance with rules adopted by the SEC pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010, we provide the following disclosure regarding executive compensation for our PEO and Non-PEO named executive officers (“NEOs”) and company performance for the fiscal years listed below. The Compensation Committee did not consider the pay versus performance disclosure below in making its pay decisions for any of the years shown.
​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ | Value of Initial Fixed $100 Investment based on:(4) | ​ | ​ |  | ​ | ​ |  | ​
​ | Year | ​ | ​ | Summary Compensation Table Total for PEO(1) ($) | ​ | ​ | Compensation Actually Paid to PEO(1),(2),(3) ($) | ​ | ​ | Average Summary Compensation Table Total for Non- PEO NEOs(1) ($) | ​ | ​ | Average Compensation Actually Paid to Non- PEO NEOs(1),(2),(3) ($) | ​ | ​ | TSR ($) | ​ | ​ | Peer Group TSR ($) | ​ | ​ | Net Income ($ Millions) | ​ | ​ | TSR Percentile Rank(5) | ​
​ | (a) | ​ | ​ | (b) | ​ | ​ | (c) | ​ | ​ | (d) | ​ | ​ | (e) | ​ | ​ | (f) | ​ | ​ | (g) | ​ | ​ | (h) | ​ | ​ | (i) | ​
​ | 2023 | ​ | ​ | 6,727,848 | ​ | ​ | 13,476,551 | ​ | ​ | 2,727,617 | ​ | ​ | 5,101,521 | ​ | ​ | 160.6 | ​ | ​ | 212.5 | ​ | ​ | 82.4 | ​ | ​ | 84.6 | ​
​ | 2022 | ​ | ​ | 5,111,933 | ​ | ​ | (2,441,277) | ​ | ​ | 1,987,354 | ​ | ​ | (897,158) | ​ | ​ | 85.6 | ​ | ​ | 158.1 | ​ | ​ | 50.7 | ​ | ​ | 28.9 | ​
​ | 2021 | ​ | ​ | 5,231,873 | ​ | ​ | 2,791,024 | ​ | ​ | 2,082,660 | ​ | ​ | 1,146,973 | ​ | ​ | 171.4 | ​ | ​ | 227.5 | ​ | ​ | 83.9 | ​ | ​ | 5.4 | ​
​ | 2020 | ​ | ​ | 4,588,247 | ​ | ​ | 13,461,558 | ​ | ​ | 2,064,727 | ​ | ​ | 5,424,209 | ​ | ​ | 164.0 | ​ | ​ | 159.1 | ​ | ​ | 78.5 | ​ | ​ | 72.2 | ​
(1) | Michael D. Slessor, our President and CEO, was our PEO for each year presented. The only Non-PEO NEO for each year presented was Shai Shahar, our CFO.
(2) | The amounts shown for Compensation Actually Paid have been calculated in accordance with Item 402(v) of Regulation S-K and do not reflect compensation actually earned, realized, or received by the company’s PEO or non-PEO NEOs. These amounts reflect the Summary Compensation Table Total with certain adjustments as described in footnote 3 below.
(3) | Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for Dr. Slessor and Mr. Shahar as set forth in the table below. Equity values are calculated in accordance with FASB ASC Topic 718. Amounts in the Exclusion of Stock Awards column are the totals from the Stock Awards column set forth in the Summary Compensation Table.
(4) | The Peer Group TSR set forth in this table utilizes the S&P Semiconductors Select Industry Index, which we also utilize in the stock price performance graph required by Item 201(e) of Regulation S-K included in our Annual Report for the fiscal year ended December 30, 2023. The comparison assumes $100 was invested for the period starting December 27, 2019 through the end of the applicable year reflected in the table, in the company and in the S&P Semiconductors Select Industry Index, respectively. Historical stock performance is not necessarily indicative of future stock performance.
(5) | We determined TSR Percentile Rank relative to the constituents of the S&P Semiconductors Select Industry Index to be the most important financial performance measure used to link company performance to Compensation Actually Paid to our PEO and non-PEO NEOs in 2023. TSR Percentile Rank is the “Company Selected Measure” for 2022 and 2023. This column presents the TSR Percentile Rank (or the relative ranking of the company's Total Shareholder Return as compared to the Total Shareholder Returns of the companies included in the S&P Semiconductors Select Industry Index) for each covered year. This performance measure may not have been the most important financial performance measure for years 2021 and 2020 and we may determine a different financial performance measure to be the most important financial performance measure in future years.
​ | Year | ​ | ​ | Summary Compensation Table Total for PEO ($) | ​ | ​ | Exclusion of Stock Awards and Option Awards ($) | ​ | ​ | Inclusion of Equity Values(1) ($) | ​ | ​ | Compensation Actually Paid to PEO ($) | ​
​ | 2023 | ​ | ​ | 6,727,848 | ​ | ​ | 5,980,078 | ​ | ​ | 12,728,781 | ​ | ​ | 13,476,551 | ​
​ | 2022 | ​ | ​ | 5,111,933 | ​ | ​ | 4,258,926 | ​ | ​ | (3,294,284) | ​ | ​ | (2,441,277) | ​
​ | 2021 | ​ | ​ | 5,231,873 | ​ | ​ | 4,189,734 | ​ | ​ | 1,748,885 | ​ | ​ | 2,791,024 | ​
​ | 2020 | ​ | ​ | 4,588,247 | ​ | ​ | 3,311,000 | ​ | ​ | 12,184,311 | ​ | ​ | 13,461,558 | ​
​ | Year | ​ | ​ | Summary Compensation Table Total for Non-PEO NEOs ($) | ​ | ​ | Exclusion of Stock Awards and Option Awards ($) | ​ | ​ | Inclusion of Equity Values(1) ($) | ​ | ​ | Compensation Actually Paid to Non-PEO NEOs ($) | ​
​ | 2023 | ​ | ​ | 2,727,617 | ​ | ​ | 2,286,957 | ​ | ​ | 4,660,861 | ​ | ​ | 5,101,521 | ​
​ | 2022 | ​ | ​ | 1,987,354 | ​ | ​ | 1,490,639 | ​ | ​ | (1,393,873) | ​ | ​ | (897,158) | ​
​ | 2021 | ​ | ​ | 2,082,660 | ​ | ​ | 1,512,966 | ​ | ​ | 577,280 | ​ | ​ | 1,146,973 | ​
​ | 2020 | ​ | ​ | 2,064,727 | ​ | ​ | 1,430,352 | ​ | ​ | 4,789,834 | ​ | ​ | 5,424,209 | ​
(1) | The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables.
Principal Executive Officer
​ | Year | ​ | ​ | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for PEO ($) | ​ | ​ | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for PEO ($) | ​ | ​ | Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year for PEO ($) | ​ | ​ | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for PEO ($) | ​ | ​ | Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year for PEO ($) | ​ | ​ | Value of Dividends or Other Earnings Paid on Equity Awards Not Otherwise Included for PEO ($) | ​ | ​ | Total - Inclusion of Equity Values for PEO ($) | ​
​ | 2023 | ​ | ​ | 7,413,921 | ​ | ​ | 5,029,766 | ​ | ​ | 214,342 | ​ | ​ | 70,752 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 12,728,781 | ​
​ | 2022 | ​ | ​ | 2,055,593 | ​ | ​ | (5,015,629) | ​ | ​ | — | ​ | ​ | (334,248) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (3,294,284) | ​
​ | 2021 | ​ | ​ | 4,833,797 | ​ | ​ | (1,385,403) | ​ | ​ | — | ​ | ​ | (1,699,509) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,748,885 | ​
​ | 2020 | ​ | ​ | 5,815,370 | ​ | ​ | 5,933,234 | ​ | ​ | — | ​ | ​ | 435,707 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 12,184,311 | ​
Other Named Executive Officers
​ | Year | ​ | ​ | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Non-PEO NEOs ($) | ​ | ​ | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Non-PEO NEOs ($) | ​ | ​ | Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year for Non-PEO NEOs ($) | ​ | ​ | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Non-PEO NEOs ($) | ​ | ​ | Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year for Non-PEO NEOs ($) | ​ | ​ | Value of Dividends or Other Earnings Paid on Equity Awards Not Otherwise Included for Non- PEO NEOs ($) | ​ | ​ | Total - Inclusion of Equity Values for Non-PEO NEOs ($) | ​
​ | 2023 | ​ | ​ | 2,767,243 | ​ | ​ | 1,786,740 | ​ | ​ | 107,207 | ​ | ​ | (329) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,660,861 | ​
​ | 2022 | ​ | ​ | 719,464 | ​ | ​ | (1,980,401) | ​ | ​ | — | ​ | ​ | (132,936) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (1,393,873) | ​
​ | 2021 | ​ | ​ | 1,745,546 | ​ | ​ | (579,687) | ​ | ​ | — | ​ | ​ | (588,579) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 577,280 | ​
​ | 2020 | ​ | ​ | 2,512,240 | ​ | ​ | 2,367,636 | ​ | ​ | — | ​ | ​ | (90,042) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,789,834 | ​
Company Selected Measure Name | TSR Percentile Rank |  |  |
Named Executive Officers, Footnote |
(1) | Michael D. Slessor, our President and CEO, was our PEO for each year presented. The only Non-PEO NEO for each year presented was Shai Shahar, our CFO.
Peer Group Issuers, Footnote |
(4) | The Peer Group TSR set forth in this table utilizes the S&P Semiconductors Select Industry Index, which we also utilize in the stock price performance graph required by Item 201(e) of Regulation S-K included in our Annual Report for the fiscal year ended December 30, 2023. The comparison assumes $100 was invested for the period starting December 27, 2019 through the end of the applicable year reflected in the table, in the company and in the S&P Semiconductors Select Industry Index, respectively. Historical stock performance is not necessarily indicative of future stock performance.
PEO Total Compensation Amount | $ 6,727,848 | $ 5,111,933 | $ 5,231,873 | $ 4,588,247
PEO Actually Paid Compensation Amount | $ 13,476,551 | (2,441,277) | 2,791,024 | 13,461,558
Adjustment To PEO Compensation, Footnote |
(3) | Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for Dr. Slessor and Mr. Shahar as set forth in the table below. Equity values are calculated in accordance with FASB ASC Topic 718. Amounts in the Exclusion of Stock Awards column are the totals from the Stock Awards column set forth in the Summary Compensation Table.
​ | Year | ​ | ​ | Summary Compensation Table Total for PEO ($) | ​ | ​ | Exclusion of Stock Awards and Option Awards ($) | ​ | ​ | Inclusion of Equity Values(1) ($) | ​ | ​ | Compensation Actually Paid to PEO ($) | ​
​ | 2023 | ​ | ​ | 6,727,848 | ​ | ​ | 5,980,078 | ​ | ​ | 12,728,781 | ​ | ​ | 13,476,551 | ​
​ | 2022 | ​ | ​ | 5,111,933 | ​ | ​ | 4,258,926 | ​ | ​ | (3,294,284) | ​ | ​ | (2,441,277) | ​
​ | 2021 | ​ | ​ | 5,231,873 | ​ | ​ | 4,189,734 | ​ | ​ | 1,748,885 | ​ | ​ | 2,791,024 | ​
​ | 2020 | ​ | ​ | 4,588,247 | ​ | ​ | 3,311,000 | ​ | ​ | 12,184,311 | ​ | ​ | 13,461,558 | ​
(1) | The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables.
Principal Executive Officer
​ | Year | ​ | ​ | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for PEO ($) | ​ | ​ | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for PEO ($) | ​ | ​ | Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year for PEO ($) | ​ | ​ | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for PEO ($) | ​ | ​ | Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year for PEO ($) | ​ | ​ | Value of Dividends or Other Earnings Paid on Equity Awards Not Otherwise Included for PEO ($) | ​ | ​ | Total - Inclusion of Equity Values for PEO ($) | ​
​ | 2023 | ​ | ​ | 7,413,921 | ​ | ​ | 5,029,766 | ​ | ​ | 214,342 | ​ | ​ | 70,752 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 12,728,781 | ​
​ | 2022 | ​ | ​ | 2,055,593 | ​ | ​ | (5,015,629) | ​ | ​ | — | ​ | ​ | (334,248) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (3,294,284) | ​
​ | 2021 | ​ | ​ | 4,833,797 | ​ | ​ | (1,385,403) | ​ | ​ | — | ​ | ​ | (1,699,509) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,748,885 | ​
​ | 2020 | ​ | ​ | 5,815,370 | ​ | ​ | 5,933,234 | ​ | ​ | — | ​ | ​ | 435,707 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 12,184,311 | ​
Non-PEO NEO Average Total Compensation Amount | $ 2,727,617 | 1,987,354 | 2,082,660 | 2,064,727
Non-PEO NEO Average Compensation Actually Paid Amount | $ 5,101,521 | (897,158) | 1,146,973 | 5,424,209
Adjustment to Non-PEO NEO Compensation Footnote |
(3) | Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for Dr. Slessor and Mr. Shahar as set forth in the table below. Equity values are calculated in accordance with FASB ASC Topic 718. Amounts in the Exclusion of Stock Awards column are the totals from the Stock Awards column set forth in the Summary Compensation Table.
​ | Year | ​ | ​ | Summary Compensation Table Total for Non-PEO NEOs ($) | ​ | ​ | Exclusion of Stock Awards and Option Awards ($) | ​ | ​ | Inclusion of Equity Values(1) ($) | ​ | ​ | Compensation Actually Paid to Non-PEO NEOs ($) | ​
​ | 2023 | ​ | ​ | 2,727,617 | ​ | ​ | 2,286,957 | ​ | ​ | 4,660,861 | ​ | ​ | 5,101,521 | ​
​ | 2022 | ​ | ​ | 1,987,354 | ​ | ​ | 1,490,639 | ​ | ​ | (1,393,873) | ​ | ​ | (897,158) | ​
​ | 2021 | ​ | ​ | 2,082,660 | ​ | ​ | 1,512,966 | ​ | ​ | 577,280 | ​ | ​ | 1,146,973 | ​
​ | 2020 | ​ | ​ | 2,064,727 | ​ | ​ | 1,430,352 | ​ | ​ | 4,789,834 | ​ | ​ | 5,424,209 | ​
(1) | The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables.
Other Named Executive Officers
​ | Year | ​ | ​ | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Non-PEO NEOs ($) | ​ | ​ | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Non-PEO NEOs ($) | ​ | ​ | Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year for Non-PEO NEOs ($) | ​ | ​ | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Non-PEO NEOs ($) | ​ | ​ | Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year for Non-PEO NEOs ($) | ​ | ​ | Value of Dividends or Other Earnings Paid on Equity Awards Not Otherwise Included for Non- PEO NEOs ($) | ​ | ​ | Total - Inclusion of Equity Values for Non-PEO NEOs ($) | ​
​ | 2023 | ​ | ​ | 2,767,243 | ​ | ​ | 1,786,740 | ​ | ​ | 107,207 | ​ | ​ | (329) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,660,861 | ​
​ | 2022 | ​ | ​ | 719,464 | ​ | ​ | (1,980,401) | ​ | ​ | — | ​ | ​ | (132,936) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (1,393,873) | ​
​ | 2021 | ​ | ​ | 1,745,546 | ​ | ​ | (579,687) | ​ | ​ | — | ​ | ​ | (588,579) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 577,280 | ​
​ | 2020 | ​ | ​ | 2,512,240 | ​ | ​ | 2,367,636 | ​ | ​ | — | ​ | ​ | (90,042) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,789,834 | ​
Compensation Actually Paid vs. Total Shareholder Return | Relationship Between Compensation Actually Paid, Company TSR and Peer Group TSR The following chart sets forth the relationship between Compensation Actually Paid to our PEO and non-PEO NEOs and the cumulative TSR over the four most recently completed fiscal years of the company and the S&P Semiconductors Select Industry. |  |  |
Compensation Actually Paid vs. Net Income | Relationship Between Compensation Actually Paid and Net Income The following chart sets forth the relationship between Compensation Actually Paid to our PEO and non-PEO NEOs and the company’s net income during the four most recently completed fiscal years. |  |  |
Compensation Actually Paid vs. Company Selected Measure | Relationship Between Compensation Actually Paid and TSR Percentile Rank The following chart sets forth the relationship between Compensation Actually Paid to our PEO and non-PEO NEOs and the company’s TSR Percentile Rank during the four most recently completed fiscal years. |  |  |
Total Shareholder Return Vs Peer Group | Relationship Between Compensation Actually Paid, Company TSR and Peer Group TSR The following chart sets forth the relationship between Compensation Actually Paid to our PEO and non-PEO NEOs and the cumulative TSR over the four most recently completed fiscal years of the company and the S&P Semiconductors Select Industry. |  |  |
Tabular List, Table | Tabular List of Most Important Performance Measures The following table presents the financial performance measures that the company considers to have been the most important in linking Compensation Actually Paid to our PEO and non-PEO NEOs for 2023 to company performance. The measures in this table are not ranked.
​ | Performance Measures | ​
​ | Total Shareholder Return | ​
​ | Adjusted Operating Income | ​
​ | Total Shareholder Percentile Rank | ​
Total Shareholder Return Amount | $ 160.6 | 85.6 | 171.4 | 164
Peer Group Total Shareholder Return Amount | 212.5 | 158.1 | 227.5 | 159.1
Net Income (Loss) | $ 82,400,000 | $ 50,700,000 | $ 83,900,000 | $ 78,500,000
Company Selected Measure Amount | 84.6 | 28.9 | 5.4 | 72.2
PEO Name | Michael D. Slessor | Michael D. Slessor | Michael D. Slessor | Michael D. Slessor
Measure:: 1 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Total Shareholder Return |  |  |
Measure:: 2 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Adjusted Operating Income |  |  |
Measure:: 3 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Total Shareholder Percentile Rank |  |  |
PEO | Stock Awards and Option Awards [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ (5,980,078) | $ (4,258,926) | $ (4,189,734) | $ (3,311,000)
PEO | Equity Values [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 12,728,781 | (3,294,284) | 1,748,885 | 12,184,311
PEO | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 7,413,921 | 2,055,593 | 4,833,797 | 5,815,370
PEO | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 5,029,766 | (5,015,629) | (1,385,403) | 5,933,234
PEO | Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 214,342 | 0 | 0 | 0
PEO | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 70,752 | (334,248) | (1,699,509) | 435,707
PEO | Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 0 | 0 | 0 | 0
PEO | Value of Dividends or Other Earnings Paid on Equity Awards Not Otherwise Included [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 0 | 0 | 0 | 0
Non-PEO NEO | Stock Awards and Option Awards [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | (2,286,957) | (1,490,639) | (1,512,966) | (1,430,352)
Non-PEO NEO | Equity Values [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 4,660,861 | (1,393,873) | 577,280 | 4,789,834
Non-PEO NEO | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 2,767,243 | 719,464 | 1,745,546 | 2,512,240
Non-PEO NEO | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 1,786,740 | (1,980,401) | (579,687) | 2,367,636
Non-PEO NEO | Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 107,207 | 0 | 0 | 0
Non-PEO NEO | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | (329) | (132,936) | (588,579) | (90,042)
Non-PEO NEO | Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 0 | 0 | 0 | 0
Non-PEO NEO | Value of Dividends or Other Earnings Paid on Equity Awards Not Otherwise Included [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ 0 | $ 0 | $ 0 | $ 0

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToNonPeoNeoCompFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToPeoCompFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_CoSelectedMeasureAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_CoSelectedMeasureName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph iii + Details
Name: | ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph ii + Details
Name: | ecd_CompActuallyPaidVsNetIncomeTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph i + Details
Name: | ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_MeasureName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_NamedExecutiveOfficersFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_NonPeoNeoAvgCompActuallyPaidAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_NonPeoNeoAvgTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_PeerGroupIssuersFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_PeerGroupTotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_PeoActuallyPaidCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_PeoName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_PeoTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTable
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTableTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 6 + Details
Name: | ecd_TabularListTableTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_TotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph iv + Details
Name: | ecd_TotalShareholderRtnVsPeerGroupTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-28 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482765/220-10-50-6 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-3 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480175/815-40-65-1 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-8 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-9 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-11 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-11 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-4 Reference 13: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480167/946-830-55-10 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section 45 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483581/946-220-45-7 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(9)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(1)(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-3 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 20: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 25: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 26: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(B)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 27: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 28: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 29: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 30: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 31: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 60B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-60B Reference 32: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-31 Reference 33: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 34: http://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483499/205-20-50-7 Reference 35: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 36: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1A Reference 37: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1B Reference 38: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 39: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ecd_MeasureAxis=1
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=2
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=3
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_ExecutiveCategoryAxis=ecd_PeoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=form_StockAwardsAndOptionAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=form_EquityValuesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=form_YearEndFairValueOfEquityAwardsGrantedDuringYearThatRemainedUnvestedAsOfLastDayOfYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=form_ChangeInFairValueFromLastDayOfPriorYearToLastDayOfYearOfUnvestedEquityAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=form_VestingDateFairValueOfEquityAwardsGrantedDuringYearThatVestedDuringYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=form_ChangeInFairValueFromLastDayOfPriorYearToVestingDateOfUnvestedEquityAwardsThatVestedDuringYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=form_FairValueAtLastDayOfPriorYearOfEquityAwardsForfeitedDuringYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=form_ValueOfDividendsOrOtherEarningsPaidOnEquityAwardsNotOtherwiseIncludedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_ExecutiveCategoryAxis=ecd_NonPeoNeoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |