Debt (Details Textual) - USD ($) $ in Millions	6 Months Ended
Jul. 01, 2021	Jul. 02, 2020	Dec. 31, 2020
Debt Instrument [Line Items]
Proceeds from (Payments for) Other Financing Activities	$ 0.1	$ 0.0
Proceeds from Issuance of Senior Long-term Debt	0.0	1,200.0
Repayments of Lines of Credit	0.0	$ 800.0
Long-term Debt	3,361.5		$ 3,658.9
Capital Lease Obligations, Current	42.7		35.3
Capital Lease Obligations, Noncurrent	139.7		121.5
Other Long-term Debt, Current	1.3		1.8
Other Long-term Debt, Noncurrent	$ 55.4		56.1
Senior Unsecured Notes Due 2023 [Domain]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.95%
Long-term Debt	$ 299.0		298.8
Long-term Debt, Current Maturities	0.0		0.0
Unsecured Long-term Debt, Noncurrent	$ 299.0		298.8
Senior Unsecured Notes Due 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.85%
Long-term Debt	$ 298.3		298.1
Long-term Debt, Current Maturities	0.0		0.0
Secured Long-term Debt, Noncurrent	298.3		298.1
Senior Unsecured Notes Due 2021 [Domain]
Debt Instrument [Line Items]
Long-term Debt	0.0		299.7
Long-term Debt, Current Maturities	0.0		299.7
Unsecured Long-term Debt, Noncurrent	$ 0.0		0.0
Senior Secured Second Lien Notes Due 2025
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	7.50%
Long-term Debt	$ 1,185.8		1,184.2
Long-term Debt, Current Maturities	0.0		0.0
Secured Long-term Debt, Noncurrent	$ 1,185.8		1,184.2
Senior Unsecured Notes Due 2028 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.60%
Long-term Debt	$ 694.9		694.6
Long-term Debt, Current Maturities	0.0		0.0
Unsecured Long-term Debt, Noncurrent	694.9		694.6
Secured Debt Term B [Member]
Debt Instrument [Line Items]
Long-term Debt	388.9		389.6
Long-term Debt, Current Maturities	3.9		3.9
Secured Long-term Debt, Noncurrent	385.0		385.7
Senior Secured Notes Due 2025
Debt Instrument [Line Items]
Long-term Debt	494.6		493.9
Long-term Debt, Current Maturities	0.0		0.0
Secured Long-term Debt, Noncurrent	$ 494.6		$ 493.9

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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