General (Components of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2017	Sep. 30, 2016	Sep. 29, 2017	Sep. 30, 2016
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance			$ (3,021.7)
Total other comprehensive income (loss), net of income taxes	$ 262.7	$ 289.1	869.9	$ 209.1
Ending balance	(2,151.8)		(2,151.8)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(1,819.0)	(1,758.2)	(2,398.2)	(1,797.4)
Increase (decrease)	260.0	275.6	839.2	314.8
Income tax impact	0.0	0.0	0.0	0.0
Other comprehensive income (loss) before reclassifications, net of income taxes	260.0	275.6	839.2	314.8
Increase (decrease)	0.0	0.0	0.0	0.0
Income tax impact	0.0	0.0	0.0	0.0
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	0.0	0.0	0.0	0.0
Total other comprehensive income (loss), net of income taxes	260.0	275.6	839.2	314.8
Distribution of Fortive Corporation		(83.5)		(83.5)
Ending balance	(1,559.0)	(1,566.1)	(1,559.0)	(1,566.1)
Pension and postretirement plan benefit adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(632.4)	(636.2)	(642.2)	(647.3)
Increase (decrease)	0.0	0.0	0.0	0.0
Income tax impact	0.0	0.0	0.0	0.0
Other comprehensive income (loss) before reclassifications, net of income taxes	0.0	0.0	0.0	0.0
Increase (decrease)	7.0	7.2	22.2	23.6
Income tax impact	(2.4)	(2.5)	(7.8)	(7.8)
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	4.6	4.7	14.4	15.8
Total other comprehensive income (loss), net of income taxes	4.6	4.7	14.4	15.8
Distribution of Fortive Corporation		63.3		63.3
Ending balance	(627.8)	(568.2)	(627.8)	(568.2)
Distribution of Fortive Corporation, income tax impact				21.0
Unrealized Gain (Loss) on Available-For-Sale Securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	36.9	3.2	18.7	133.5
Increase (decrease)	(3.0)	13.9	26.1	28.8
Income tax impact	1.1	(5.1)	(9.8)	(10.7)
Other comprehensive income (loss) before reclassifications, net of income taxes	(1.9)	8.8	16.3	18.1
Increase (decrease)	0.0	0.0	0.0	(223.4)
Income tax impact	0.0	0.0	0.0	83.8
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	0.0	0.0	0.0	(139.6)
Total other comprehensive income (loss), net of income taxes	(1.9)	8.8	16.3	(121.5)
Distribution of Fortive Corporation		0.0		0.0
Ending balance	35.0	12.0	35.0	12.0
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(2,414.5)	(2,391.2)	(3,021.7)	(2,311.2)
Increase (decrease)	257.0	289.5	865.3	343.6
Income tax impact	1.1	(5.1)	(9.8)	(10.7)
Other comprehensive income (loss) before reclassifications, net of income taxes	258.1	284.4	855.5	332.9
Increase (decrease)	7.0	7.2	22.2	(199.8)
Income tax impact	(2.4)	(2.5)	(7.8)	76.0
Amounts reclassified from accumulated other comprehensive income (loss), net of income taxes	4.6	4.7	14.4	(123.8)
Total other comprehensive income (loss), net of income taxes	262.7	289.1	869.9	209.1
Distribution of Fortive Corporation		(20.2)		(20.2)
Ending balance	$ (2,151.8)	$ (2,122.3)	$ (2,151.8)	$ (2,122.3)