Borrowings - Components of Borrowings (Details) - USD ($) $ in Millions	Jan. 02, 2022	Jan. 03, 2021
Debt Instrument [Line Items]
Finance lease obligation	$ 0.7	$ 1.0
Other short-term borrowings	0.0	0.9
Other long-term borrowings	2.6	3.9
Unamortized deferred financing costs	(21.4)	(40.9)
Unamortized original issue discount	(5.3)	(11.3)
Total borrowings	2,250.2	3,718.5
Less: Current portion	(63.4)	(160.0)
Long-term borrowings	2,186.7	3,558.5
2028 Notes
Debt Instrument [Line Items]
Senior Secured Credit Facilities	405.0	675.0
Unamortized deferred financing costs	(6.4)	(11.8)
2025 Notes
Debt Instrument [Line Items]
Senior Secured Credit Facilities	240.0	400.0
Unamortized deferred financing costs	(3.4)	(7.0)
Accounts Receivable Financing
Debt Instrument [Line Items]
Senior Secured Credit Facilities	0.0	75.0
Sale and Leaseback Financing
Debt Instrument [Line Items]
Senior Secured Credit Facilities	0.0	20.5
Dollar Term Loan Facility
Debt Instrument [Line Items]
Senior Secured Credit Facilities	1,292.8	2,185.5
Unamortized deferred financing costs	(8.1)	(17.3)
Euro Term Loan Facility
Debt Instrument [Line Items]
Senior Secured Credit Facilities	335.8	408.9
Unamortized deferred financing costs	(3.6)	(4.6)
Revolving Credit Facility
Debt Instrument [Line Items]
Senior Secured Credit Facilities	$ 0.0	$ 0.0

Amount of short-term and long-term debt and lease obligation.

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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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Amount, after accumulated amortization, of debt discount.

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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 of lessee's undiscounted obligation for lease payments for finance lease.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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