Productivity Improvement And Restructuring Initiatives (Schedule Of Restructuring And Other Related Charges By Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Costs incurred	$ 159.1	$ 152.4	$ 97.5
Operating segments | Life Sciences
Restructuring Cost and Reserve [Line Items]
Costs incurred	25.4	40.5	27.5
Operating segments | Diagnostics
Restructuring Cost and Reserve [Line Items]
Costs incurred	85.4	62.2	33.6
Operating segments | Dental
Restructuring Cost and Reserve [Line Items]
Costs incurred	35.8	34.3	25.3
Operating segments | Environmental & Applied Solutions
Restructuring Cost and Reserve [Line Items]
Costs incurred	$ 12.5	$ 15.4	$ 11.1