Business And Summary Of Significant Accounting Policies (Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income Loss [Roll Forward]
Balance at beginning of year	$ (3,021.7)	$ (2,311.2)	$ (1,433.7)
Increase (decrease)	1,080.2	(593.1)	(865.1)
Income tax impact	(29.1)	24.1	(27.6)
Other comprehensive income (loss), before reclassifications, net of income taxes	1,051.1	(569.0)	(892.7)
Increase (decrease)	(44.1)	(195.4)	21.1
Income tax impact	20.5	74.1	(5.9)
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	(23.6)	(121.3)	15.2
Total other comprehensive income (loss), net of income taxes	1,027.5	(690.3)	(877.5)
Distribution of Fortive Corporation		(20.2)
Balance at end of year	(1,994.2)	(3,021.7)	(2,311.2)
AOCI, distribution to Fortive Corporation, tax		21.0
Foreign currency translation adjustments
Accumulated Other Comprehensive Income Loss [Roll Forward]
Balance at beginning of year	(2,398.2)	(1,797.4)	(821.8)
Increase (decrease)	976.1	(517.3)	(975.6)
Income tax impact	0.0	0.0	0.0
Other comprehensive income (loss), before reclassifications, net of income taxes	976.1	(517.3)	(975.6)
Increase (decrease)	0.0	0.0	0.0
Income tax impact	0.0	0.0	0.0
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	0.0	0.0	0.0
Total other comprehensive income (loss), net of income taxes	976.1	(517.3)	(975.6)
Distribution of Fortive Corporation		(83.5)
Balance at end of year	(1,422.1)	(2,398.2)	(1,797.4)
Pension and postretirement plan benefit adjustments
Accumulated Other Comprehensive Income Loss [Roll Forward]
Balance at beginning of year	(642.2)	(647.3)	(727.8)
Increase (decrease)	62.4	(115.4)	69.8
Income tax impact	(13.4)	38.9	(12.3)
Other comprehensive income (loss), before reclassifications, net of income taxes	49.0	(76.5)	57.5
Increase (decrease)	28.7	28.0	33.5
Income tax impact	(6.7)	(9.7)	(10.5)
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	22.0	18.3	23.0
Total other comprehensive income (loss), net of income taxes	71.0	(58.2)	80.5
Distribution of Fortive Corporation		63.3
Balance at end of year	(571.2)	(642.2)	(647.3)
Unrealized gain (loss) on available-for-sale securities
Accumulated Other Comprehensive Income Loss [Roll Forward]
Balance at beginning of year	18.7	133.5	115.9
Increase (decrease)	41.7	39.6	40.7
Income tax impact	(15.7)	(14.8)	(15.3)
Other comprehensive income (loss), before reclassifications, net of income taxes	26.0	24.8	25.4
Increase (decrease)	(72.8)	(223.4)	(12.4)
Income tax impact	27.2	83.8	4.6
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	(45.6)	(139.6)	(7.8)
Total other comprehensive income (loss), net of income taxes	(19.6)	(114.8)	17.6
Distribution of Fortive Corporation		0.0
Balance at end of year	$ (0.9)	$ 18.7	$ 133.5