Business Acquistions, Goodwill and Acquired Intangible Assets (2019 Acquisitions) (Details) - USD ($) $ in Millions				12 Months Ended
	Aug. 30, 2019	Aug. 01, 2019	Feb. 05, 2019	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Acquisitions In 2019
Business Acquisition [Line Items]
Payments to acquire businesses				$ 484.0
Roper Technologies, Inc
Business Acquisition [Line Items]
Payments to acquire businesses			$ 224.8	224.8
3M Gas And Flame Detection Business
Business Acquisition [Line Items]
Payments to acquire businesses		$ 233.5		233.5
Micralyne Inc
Business Acquisition [Line Items]
Payments to acquire businesses	$ 25.7			$ 25.7
Acquisitions in 2018
Business Acquisition [Line Items]
Payments to acquire businesses					$ 3.1
Acquisitions in 2017
Business Acquisition [Line Items]
Payments to acquire businesses						$ 774.1