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Lease Commitments - Narrative (Details) $ in Thousands				3 Months Ended	12 Months Ended
	Aug. 14, 2020 USD ($)	Feb. 28, 2020 USD ($)	Jan. 31, 2020 USD ($)	Mar. 28, 2020 USD ($)	Jan. 01, 2022 USD ($) option	Jan. 02, 2021 USD ($)
Operating Leased Assets [Line Items]
Number of options | option					1
Operating lease, renewal term					5 years
Proceeds from real estate financing transactions					$ 0	$ 78,263
Proceeds from sale of asset					10,327	12,849
Finance lease obligations					274,717	273,118
Buildings
Operating Leased Assets [Line Items]
Proceeds from real estate financing transactions		$ 7,500	$ 34,100	$ 27,200	$ 78,300
Finance lease, term of contract	5 years
Finance lease, renewal term	5 years				5 years
Proceeds from sale of asset	$ 11,000
Gain associated with sale-leaseback transactions	8,700
Proceeds from sale of property, plant, and equipment, net	$ 10,600
Transportation Equipment
Operating Leased Assets [Line Items]
Finance lease obligations					$ 10,500	$ 3,800
Minimum
Operating Leased Assets [Line Items]
Operating lease, lease term					1 year
Minimum | Buildings
Operating Leased Assets [Line Items]
Finance lease, term of contract					15 years
Maximum
Operating Leased Assets [Line Items]
Operating lease, lease term					15 years
Maximum | Buildings
Operating Leased Assets [Line Items]
Finance lease, term of contract					18 years

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Present value of lessee's discounted obligation for lease payments from finance lease.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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