Consolidated and Combined Condensed Statements of Earnings - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jul. 01, 2016	Jun. 30, 2017	Jul. 01, 2016
Income Statement [Abstract]
Sales	$ 1,628.8	$ 1,555.1	$ 3,164.0	$ 3,029.8
Cost of sales	(823.7)	(787.0)	(1,614.9)	(1,566.5)
Gross profit	805.1	768.1	1,549.1	1,463.3
Operating costs:
Selling, general and administrative expenses	(357.7)	(349.3)	(710.6)	(687.8)
Research and development expenses	(99.1)	(96.7)	(195.3)	(190.4)
Operating profit	348.3	322.1	643.2	585.1
Non-operating expense:
Interest expense	(22.7)	(2.7)	(45.3)	(2.7)
Earnings before income taxes	325.6	319.4	597.9	582.4
Income taxes	(85.5)	(80.5)	(158.1)	(161.5)
Net earnings	$ 240.1	$ 238.9	$ 439.8	$ 420.9
Net earnings per share:
Basic (in dollars per share)	$ 0.69	$ 0.69	$ 1.27	$ 1.22
Diluted (in dollars per share)	$ 0.68	$ 0.69	$ 1.25	$ 1.22
Average common stock and common equivalent shares outstanding:
Basic (in shares)	347.2	345.2	347.1	345.2
Diluted (in shares)	352.2	345.2	351.8	345.2