LEASES - Lease Expense, Supplemental Cash Flow and Other Lease Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 28, 2020 |
Jun. 30, 2019 |
Jun. 28, 2020 |
Jun. 30, 2019 |
|
| Leases [Abstract] | ||||
| Operating lease cost | $ 8,399 | $ 7,901 | $ 16,568 | $ 15,688 |
| Cash paid for amounts included in the measurement of lease liabilities: | ||||
| Operating cash flows for operating leases | 8,279 | 6,875 | 16,362 | 13,599 |
| Right-of-use assets obtained in exchange for lease obligations: | ||||
| Operating leases | $ 5,474 | $ 8,668 | $ 17,902 | $ 9,245 |