Impairment of Long-Lived Assets and Other Lease Charges - Narrative (Details) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Jan. 02, 2022
USD ($)
restaurant
|
Jan. 03, 2021
USD ($)
restaurant
|
Sep. 27, 2020
restaurant
|
|
| Lease Termination Charges | Continuing Operations | |||
| Impairment and Other Lease Charges [Line Items] | |||
| Gain (Loss) on Termination of Lease | $ | $ 0.9 | ||
| Gain from Lease Termination | Continuing Operations | |||
| Impairment and Other Lease Charges [Line Items] | |||
| Gain (Loss) on Termination of Lease | $ | $ (0.6) | (0.2) | |
| Level 3 | |||
| Impairment and Other Lease Charges [Line Items] | |||
| Level 3 assets measured at fair value | $ | $ 0.4 | $ 2.2 | |
| Pollo Tropical | |||
| Impairment and Other Lease Charges [Line Items] | |||
| Number of closed restaurants | restaurant | 1 | 2 | |
| Number of impaired restaurants the company continues to operate | restaurant | 5 | 3 | |
| Pollo Tropical | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations | |||
| Impairment and Other Lease Charges [Line Items] | |||
| Number of closed restaurants | restaurant | 1 | ||