Debt (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 30, 2022	Jun. 16, 2022
Current maturities of long-term debt
Debt Issuance Costs, Current, Net	$ 0.0	$ 0.0
Long-term Debt, Current Maturities	44.1	44.1
Long-term debt
Total Debt Issuance Costs	19.9	20.8
Total Debt	3,105.6	3,092.6
Debt Instrument, Face Amount	3,523.1	3,534.1
Long-term Debt	3,061.5	3,048.5
Debt Issuance Costs	19.9	20.8
Debt Instrument, Face Amount, Current Maturity	44.1	44.1
Debt Instrument, Face Amount, Noncurrent Maturity	3,479.0	3,490.0
10.00% Second Lien Senior Notes
Long-term debt
Long-term Debt	249.8	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	478.0	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	34.8	34.8
Long-term debt
Total Debt	1,221.4	1,222.1
Debt Instrument, Face Amount	1,365.4
Long-term Debt	1,186.6	1,187.3
Debt Issuance Costs	0.0	0.0
Debt Instrument, Face Amount, Current Maturity	34.8	34.8
Debt Instrument, Face Amount, Noncurrent Maturity	1,330.6	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	9.3	9.3
Long-term debt
Total Debt	326.6	326.9
Debt Instrument, Face Amount	362.5
Long-term Debt	317.3	317.6
Debt Issuance Costs	0.0	0.0
Debt Instrument, Face Amount, Current Maturity	9.3	9.3
Debt Instrument, Face Amount, Noncurrent Maturity	353.2	355.5
Eleven Point Five Percent First Lien Senior Secured Notes
Long-term debt
Long-term Debt	650.0	650.0
Debt Issuance Costs	19.9	20.8
Debt Instrument, Face Amount, Noncurrent Maturity	650.0	650.0
Ten Point Zero Percent Second Lien Notes due 2029
Long-term debt
Long-term Debt	179.8	175.5
Debt Issuance Costs	0.0	0.0
Debt Instrument, Face Amount, Noncurrent Maturity	$ 328.3	$ 328.3

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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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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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