Revenue (Disaggregation of Revenue by Revenue Type) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 29, 2018	Jun. 29, 2018
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 4,981.0	$ 9,676.4
Life Sciences
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,605.2	3,081.2
Diagnostics
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,550.9	3,070.6
Dental
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	733.4	1,406.0
Environmental & Applied Solutions
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,091.5	2,118.6
Recurring
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	3,488.9	6,812.8
Recurring | Life Sciences
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,056.0	2,026.4
Recurring | Diagnostics
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,311.0	2,619.5
Recurring | Dental
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	547.3	1,035.3
Recurring | Environmental & Applied Solutions
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	574.6	1,131.6
Nonrecurring
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,492.1	2,863.6
Nonrecurring | Life Sciences
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	549.2	1,054.8
Nonrecurring | Diagnostics
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	239.9	451.1
Nonrecurring | Dental
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	186.1	370.7
Nonrecurring | Environmental & Applied Solutions
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 516.9	$ 987.0