Significant Accounting Policies - Leases (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jan. 01, 2022 |
Jan. 02, 2021 |
Dec. 28, 2019 |
|
| Selling, general and administrative | |||
| Lessee, Lease, Description [Line Items] | |||
| Lease impairment loss | $ 7.5 | $ 27.3 | $ 7.9 |
| Restructuring charges | |||
| Lessee, Lease, Description [Line Items] | |||
| Lease impairment loss | $ 0.7 | $ 2.9 | $ 1.7 |