Deferred Revenue and Remaining Performance Obligations - Changes in Deferred Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 03, 2020	Dec. 28, 2018
Revenue Recognition and Deferred Revenue [Abstract]
Beginning balance of the period	$ 387.2	$ 276.6
Revenue Recognized	(341.3)	(226.9)
Acquired Deferred Revenue	6.1	50.3
Net Deferred Revenue Activity	489.9	287.2
Ending balance of the period	$ 541.9	$ 387.2