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Business Segments - Geographic Information, Based on Shipping Destination, Related to Revenue from External Customers (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Revenue from External Customer [Line Items]
Revenues	$ 1,791.1	$ 2,273.7	$ 2,239.2
United States [Member]
Revenue from External Customer [Line Items]
Revenues	1,234.2	1,507.9	1,505.2
Europe [Member]
Revenue from External Customer [Line Items]
Revenues	279.8	343.1	325.7
Asia Pacific [Member]
Revenue from External Customer [Line Items]
Revenues	120.3	193.7	186.0
CANADA
Revenue from External Customer [Line Items]
Revenues	88.9	117.9	116.7
Latin America [Member]
Revenue from External Customer [Line Items]
Revenues	67.9	111.1	105.6
Foreign [Member]
Revenue from External Customer [Line Items]
Revenues	$ 556.9	$ 765.8	$ 734.0

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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