Discontinued Operations, Danaher Separation And Other Dispositions (Discontinued Operations) (Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended	3 Months Ended	7 Months Ended	12 Months Ended
	Jul. 31, 2015	Dec. 31, 2015	Jul. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Shares held as Treasury shares				26.0
Shares redeemed through the distribution of the communications business (26.0 shares held as Treasury shares), value				$ 2,291.7	$ 0.0	$ 0.0
Sales				345.7	759.8	$ 834.9
Communications business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Shares held as Treasury shares	26.0
Shares redeemed through the distribution of the communications business (26.0 shares held as Treasury shares), value	$ 2,300.0
Consideration of shares, number of shares received	62.5
Disposition of communications business, percentage of investment ownership	60.00%
Aggregate after-tax gain on disposition		$ 47.0		$ 767.0
After-tax gain on disposition upon closing of transaction, per diluted share				$ 1.08
Sales			$ 346.0		$ 760.0
Transition services agreement period, maximum	12 months