Condensed Consolidated Statements of Equity (Unaudited) Statement - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Noncontrolling Interests
Beginning balance at Dec. 31, 2016	$ 2,635.2	$ 67.4	$ 317.3	$ 3,384.9	$ (498.5)	$ (653.9)	$ 18.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	145.1			141.6			3.5
Other comprehensive income (loss)	48.1				48.1
Cash dividends	(41.2)			(41.2)
Stock compensation plans	17.9		3.5			14.4
Share repurchases	(35.8)					(35.8)
Other	(3.5)			(0.1)			(3.4)
Ending balance at Apr. 01, 2017	2,765.8	67.4	320.8	3,485.2	(450.4)	(675.3)	18.1
Beginning balance at Dec. 30, 2017	2,972.3	67.4	343.2	3,772.3	(329.0)	(900.0)	18.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	166.8			163.0			3.8
Other comprehensive income (loss)	43.6				43.6
Cash dividends	(46.5)			(46.5)
Stock compensation plans	15.5		0.7			14.8
Share repurchases	(43.5)					(43.5)
Other	(5.9)			(2.1)			(3.8)
Ending balance at Mar. 31, 2018	$ 3,102.3	$ 67.4	$ 343.9	$ 3,886.7	$ (285.4)	$ (928.7)	$ 18.4