Segment Information (Segment Results) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2013 Business_Segments	Mar. 30, 2012
Segment Reporting Information [Line Items]
Number of segments reported (Business Segments)	5
Sales	$ 4,444.7	$ 4,316.2
Operating Profit	730.9	734.9
Test & Measurement
Segment Reporting Information [Line Items]
Sales	855.4	846.4
Operating Profit	187.3	191.6
Environmental
Segment Reporting Information [Line Items]
Sales	725.3	694.6
Operating Profit	135.1	129.1
Life Sciences & Diagnostics
Segment Reporting Information [Line Items]
Sales	1,567.4	1,545.9
Operating Profit	199.3	205.9
Dental
Segment Reporting Information [Line Items]
Sales	479.8	464.7
Operating Profit	62.9	58.9
Industrial Technologies
Segment Reporting Information [Line Items]
Sales	816.8	764.6
Operating Profit	170.9	157.8
Equity Method Earnings Of Apex joint venture
Segment Reporting Information [Line Items]
Operating Profit	0	14.3
Other
Segment Reporting Information [Line Items]
Operating Profit	$ (24.6)	$ (22.7)