Summary of Significant Accounting Policies - Consolidated Statement of Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Accounting Policies [Abstract]
Interest Paid, Excluding Capitalized Interest, Operating Activities	$ 65.6	$ 80.9	$ 55.3
Income Taxes Paid	$ 41.2	$ 91.5	$ 79.0