TERM DEBT, REVOLVING CREDIT FACILITY AND OTHER NOTES PAYABLE - Schedule of Long-term Debt Instruments (Details) - USD ($) $ in Millions	Sep. 27, 2026	Dec. 28, 2025
Debt Instrument [Line Items]
Total long-term debt	$ 875.6	$ 849.6
Net impact of debt issuance costs and original issue discount	(4.0)	(4.9)
Less: current portion	(39.3)	(31.4)
Long term portion of term debt and financing obligations	836.3	818.2
Real Estate Term Loan
Debt Instrument [Line Items]
Original Principal Balance	88.1
Real Estate Term Loan \| Line of Credit
Debt Instrument [Line Items]
Total long-term debt	53.9	57.0
Asset based lending (“ABL”) facility \| Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Total long-term debt	40.2	0.2
Secured Debt \| Term Loan B
Debt Instrument [Line Items]
Original Principal Balance	795.0
Total long-term debt	630.3	630.3
Equipment loans
Debt Instrument [Line Items]
Original Principal Balance	210.1
Total long-term debt	$ 155.2	$ 167.0

Face (par) amount of debt instrument at time of issuance.

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