Deferred Compensation Plan: (Details) - Hman Group holdings Inc and subsidiaries - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 26, 2020 |
Dec. 28, 2019 |
Dec. 29, 2018 |
|
| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] | |||
| Restricted Investments, Noncurrent | $ 1,911 | $ 1,911 | |
| Current Restricted investments | 595 | 355 | |
| Distributions | $ 527 | $ 686 | $ 849 |
| NQDC | Key employees | |||
| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] | |||
| Maximum deferral percentage on salary and commissions | 25.00% | ||
| Maximum deferral percentage on bonus | 100.00% | ||
| Percentage of employer matching contribution | 25.00% | ||
| Maximum deferral amount of employer | $ 10 | ||
| Vesting schedule ( in years) | 5 years |