Productivity Improvement And Restructuring Initiatives (Schedule Of Restructuring And Other Related Charges By Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Costs incurred	$ 70.0	$ 159.1	$ 152.4
Operating segments | Life Sciences
Restructuring Cost and Reserve [Line Items]
Costs incurred	11.4	25.4	40.5
Operating segments | Diagnostics
Restructuring Cost and Reserve [Line Items]
Costs incurred	14.9	85.4	62.2
Operating segments | Dental
Restructuring Cost and Reserve [Line Items]
Costs incurred	23.7	35.8	34.3
Operating segments | Environmental & Applied Solutions
Restructuring Cost and Reserve [Line Items]
Costs incurred	$ 20.0	$ 12.5	$ 15.4