Debt (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 30, 2022	Jun. 16, 2022
Current maturities of long-term debt
Debt Issuance Costs, Current, Net	$ 20.2	$ 0.0
Long-term Debt, Current Maturities	2,381.2	44.1
Long-term debt
Total Debt Issuance Costs	20.2	20.8
Total Debt	3,118.8	3,092.6
Debt Instrument, Face Amount	3,512.0	3,534.1
Long-term Debt	737.6	3,048.5
Debt Issuance Costs	0.0	20.8
Debt Instrument, Face Amount, Current Maturity	2,695.1	44.1
Debt Instrument, Face Amount, Noncurrent Maturity	816.9	3,490.0
10.00% Second Lien Senior Notes
Long-term debt
Long-term Debt	257.6	242.2
Debt Issuance Costs	0.0	0.0
Debt Instrument, Face Amount, Noncurrent Maturity	321.9	321.9
10.00% First Lien Senior Notes
Long-term debt
Debt Instrument, Face Amount			$ 495.0
Long-term Debt	480.0	475.9
Debt Issuance Costs	0.0	0.0
Debt Instrument, Face Amount, Noncurrent Maturity	495.0	495.0
2017 Replacement Term Loan
Current maturities of long-term debt
Debt Issuance Costs, Current, Net	0.0	0.0
Long-term Debt, Current Maturities	1,220.8	34.8
Long-term debt
Total Debt	1,220.8	1,222.1
Debt Instrument, Face Amount	1,356.7
Long-term Debt	0.0	1,187.3
Debt Issuance Costs	0.0	0.0
Debt Instrument, Face Amount, Current Maturity	1,356.7	34.8
Debt Instrument, Face Amount, Noncurrent Maturity	0.0	1,339.3
2018 Replacement Term Loan
Current maturities of long-term debt
Debt Issuance Costs, Current, Net	0.0	0.0
Long-term Debt, Current Maturities	326.3	9.3
Long-term debt
Total Debt	326.3	326.9
Debt Instrument, Face Amount	360.1
Long-term Debt	0.0	317.6
Debt Issuance Costs	0.0	0.0
Debt Instrument, Face Amount, Current Maturity	360.1	9.3
Debt Instrument, Face Amount, Noncurrent Maturity	0.0	355.5
Eleven Point Five Percent First Lien Senior Secured Notes
Current maturities of long-term debt
Debt Issuance Costs, Current, Net	19.0	0.0
Long-term Debt, Current Maturities	650.0	0.0
Long-term debt
Long-term Debt	0.0	650.0
Debt Issuance Costs	0.0	20.8
Debt Instrument, Face Amount, Current Maturity	650.0	0.0
Debt Instrument, Face Amount, Noncurrent Maturity	0.0	650.0
Ten Point Zero Percent Second Lien Notes due 2029
Current maturities of long-term debt
Debt Issuance Costs, Current, Net	0.0	0.0
Long-term Debt, Current Maturities	184.1	0.0
Long-term debt
Long-term Debt	0.0	175.5
Debt Issuance Costs	0.0	0.0
Debt Instrument, Face Amount, Current Maturity	328.3	0.0
Debt Instrument, Face Amount, Noncurrent Maturity	0.0	328.3
Receivables financing facility due June 2026
Current maturities of long-term debt
Debt Issuance Costs, Current, Net	1.2	0.0
Long-term Debt, Current Maturities	0.0	0.0
Long-term debt
Debt Instrument, Face Amount, Current Maturity	$ 0.0	$ 0.0

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Debt Instrument, Face Amount, Noncurrent Maturity

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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

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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.

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