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Shareholders' Equity (Narrative) (Details) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |
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Mar. 22, 2024 $ / shares | Jan. 31, 2024 $ / shares | Jan. 05, 2024 | Oct. 06, 2023 | Jul. 07, 2023 | Apr. 07, 2023 | Jan. 06, 2023 | Oct. 06, 2022 | Jul. 30, 2022 USD ($) | Jul. 08, 2022 | Apr. 08, 2022 | Dec. 30, 2021 | Oct. 08, 2021 | Jul. 09, 2021 | Apr. 08, 2021 | Dec. 31, 2012 $ / shares | Dec. 29, 2023 USD ($) $ / shares shares | Dec. 30, 2022 USD ($) $ / shares shares | Dec. 31, 2021 USD ($) $ / shares shares | Jul. 30, 2002 USD ($)
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares available for future issuance under the plans | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,300,000 |  |  |
Stock repurchase authorized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,000,000.0
Additional stock repurchase authorized |  |  |  |  |  |  |  |  | $ 287,200,000 |  |  |  |  |  |  |  |  | $ 120,000,000 |  |
Amount available under repurchase plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 13,900,000 |  |  |
Cumulative purchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 273,200,000 |  |  |
Total cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 734,000 | 116,572,000 | $ 13,040,000 |
Cost of shares withheld and not issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,782,000 | 3,225,000 | $ 21,566,000 |
Cumulative cash used for repurchase of stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,500,000 | $ 119,800,000 |  |
Dividend declared | $ / shares |  | $ 0.11 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.10 | $ 0.44 | $ 0.44 | $ 0.4 |
Dividend payment date |  |  | Jan. 05, 2024 | Oct. 06, 2023 | Jul. 07, 2023 | Apr. 07, 2023 | Jan. 06, 2023 | Oct. 06, 2022 |  | Jul. 08, 2022 | Apr. 08, 2022 | Dec. 30, 2021 | Oct. 08, 2021 | Jul. 09, 2021 | Apr. 08, 2021 |  |  |  |  |
Dividend payment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 11,971,000 | $ 13,434,000 | $ 12,885,000 |
Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend declared | $ / shares | $ 0.11 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends payable, date of record | Mar. 22, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend payment date | Apr. 05, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend payable, year | 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 31,000 |  |
Purchase price per share | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 18.96 | $ 20.5 |  |
Total cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 700,000 | $ 600,000 |  |
Share Repurchase Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 37,000 | 4,900,000 |  |
Purchase price per share | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 18.96 | $ 23.69 |  |
Total cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 700,000 | $ 116,600,000 |  |
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 |  |
Purchase price per share | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 23.72 |  |
Common stock issued and outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.15 |  |
Total cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 116,000,000 |  |
Cumulative [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33,200,000 | 33,200,000 |  |
Purchase price per share | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8.22 | $ 8.21 |  |
Tax Withholding [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares withheld and not issued | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 174,000 | 164,000 |  |
Cost of shares withheld and not issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,800,000 | $ 3,200,000 |  |
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 | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 197,779 |  |  |
Shares issued under ESPP | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 43,668 | 40,622 | 41,504 |
Proceeds from ESPP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 900,000 | $ 800,000 | $ 800,000 |
Additional shares authorized | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 250,000 |  |  |

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