Statement Of Comprehensive Income [Abstract]
| Concept |
2021-01-03 to 2022-01-01 |
2021-01-03 to 2022-01-01 |
2021-01-03 to 2022-01-01 |
2019-12-29 to 2021-01-02 |
2019-12-29 to 2021-01-02 |
2019-12-29 to 2021-01-02 |
|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||
| Profit (loss) | — |
22,586,000
USD
|
22,586,000
USD
|
3,090,000
USD
|
— |
3,090,000
USD
|
| Other comprehensive income [abstract] | ||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — |
1,115,000
USD
|
1,115,000
USD
|
4,289,000
USD
|
— |
4,289,000
USD
|
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — |
1,411,000
USD
|
1,411,000
USD
|
1,241,000
USD
|
— |
1,241,000
USD
|
| Other comprehensive income | — | — |
393,000
USD
|
2,185,000
USD
|
— | — |
| Comprehensive income |
97,000
USD
|
22,290,000
USD
|
22,193,000
USD
|
905,000
USD
|
863,000
USD
|
42,000
USD
|