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Shareholders' Equity (Narrative) (Details) - USD ($) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 24, 2023 | Dec. 30, 2022 | Dec. 17, 2022 | Oct. 05, 2022 | Jul. 30, 2022 | Jul. 06, 2022 | Apr. 05, 2022 | Dec. 31, 2021 | Dec. 17, 2021 | Sep. 24, 2021 | Jun. 25, 2021 | Mar. 26, 2021 | Dec. 18, 2020 | Sep. 25, 2020 | Jun. 30, 2020 | Dec. 31, 2012 | Dec. 30, 2022 | Dec. 31, 2021 | Jan. 01, 2021 | Jul. 30, 2002
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares available for future issuance under the plans |  | 2,853,757 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,853,757 |  |  |
Stock repurchase authorized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,000,000.0
Additional stock repurchase authorized |  |  |  |  | $ 287,200,000 |  |  |  |  |  |  |  |  |  |  |  | $ 120,000,000.0 |  |  |
Amount available under repurchase plan |  | $ 14,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,700,000 |  |  |
Cumulative purchases |  | $ 272,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 272,500,000 |  |  |
Total cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 116,572,000 | $ 13,040,000 | $ 2,367,000 |
Cost of shares withheld and not issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,225,000 | 21,566,000 | $ 2,141,000 |
Cumulative cash used for repurchase of stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 119,800,000 | $ 34,600,000 |  |
Dividend declared |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.10 | $ 0.44 | $ 0.40 | $ 0.38 |
Dividends payable, date of record |  |  | Dec. 17, 2022 | Oct. 05, 2022 |  | Jul. 06, 2022 | Apr. 05, 2022 |  | Dec. 17, 2021 | Sep. 24, 2021 | Jun. 25, 2021 | Mar. 26, 2021 | Dec. 18, 2020 | Sep. 25, 2020 | Jun. 30, 2020 |  |  |  |  |
Dividend payment date |  |  | Jan. 06, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend payment |  |  |  |  |  |  |  |  | $ 12,900,000 | $ 12,900,000 | $ 12,900,000 | $ 12,900,000 | $ 9,100,000 | $ 9,100,000 | $ 9,100,000 |  | $ 13,434,000 | $ 12,885,000 | $ 9,147,000 |
Dividend payable, year |  |  |  |  |  |  |  |  | 2021 | 2021 | 2021 | 2021 | 2020 | 2020 | 2020 |  |  |  |  |
Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend declared | $ 0.12 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend payment date | Apr. 07, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend payable, year | 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend paid, date declared | Mar. 24, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 31,000 |  |  |
Purchase price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20.50 |  |  |
Total cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 600,000 |  |  |
Share Repurchase Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,900,000 | 749,000 |  |
Purchase price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 23.69 | $ 17.42 |  |
Total cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 116,700,000 | $ 13,000,000.0 |  |
Share Purchase Plan [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tender Offer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,900,000 |  |  |
Credit facility and cash on hand |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 60,000,000.0 |  |  |
Purchase price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 23.71 |  |  |
Common stock issued and outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.15 |  |  |
Total cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 115,900,000 |  |  |
Cumulative [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock |  | 33,200,000 |  |  |  |  |  | 28,300,000 |  |  |  |  |  |  |  |  |  |  |  |
Purchase price per share |  | $ 8.21 |  |  |  |  |  | $ 5.51 |  |  |  |  |  |  |  |  |  |  |  |
Tax Withholding [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares withheld and not issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000 | 1,100,000 |  |
Cost of shares withheld and not issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,200,000 | $ 21,600,000 |  |
Stock Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of eligible compensation allowed, per grant purchase |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |  |
Interval between employee stock purchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 months |  |  |
Employee purchase price as percentage of trading value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 95.00% |  |  |
Aggregate fair market value of shares purchased by an employee |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 25,000 |  |  |
Employee stock purchase plan, expiration date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Jul. 01, 2028 |  |  |
Total number of shares available for purchase under the plans |  | 241,447 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 241,447 |  |  |
Shares issued under ESPP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40,622 | 41,504 | 56,679 |
Proceeds from ESPP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 800,000 | $ 800,000 | $ 800,000 |
Additional shares authorized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 250,000 |  |  |
Number of shares available for future issuance under the plans |  |  |  |  |  |  |  | 282,069 |  |  |  |  |  |  |  |  |  | 282,069 |  |

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