CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Common Stock $.01 Par Value	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Beginning Balance at Dec. 31, 2016	$ 2,078.2	$ 0.4	$ 904.5	$ 1,452.0	$ (318.1)	$ 39.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	47.6			46.3		1.3
Other Comprehensive Income	56.5				56.0	0.5
Dividends Declared ($0.24 and $0.26 per share, respectively)	(10.8)			(10.8)
Stock Options Exercised	(0.7)		(0.7)
Share-Based Compensation	3.0		3.0
Ending Balance at Apr. 01, 2017	2,173.8	0.4	906.8	1,487.5	(262.1)	41.2
Beginning Balance at Dec. 30, 2017	2,354.7	0.4	877.5	1,611.6	(164.0)	29.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	59.3			58.4		0.9
Other Comprehensive Income	41.1				40.1	1.0
Dividends Declared ($0.24 and $0.26 per share, respectively)	(11.4)			(11.4)
Stock Options Exercised	(0.9)		(0.9)
Stock Repurchase	(26.0)		(22.5)	(3.5)
Share-Based Compensation	3.4		3.4
Ending Balance at Mar. 31, 2018	$ 2,420.2	$ 0.4	$ 857.5	$ 1,655.1	$ (123.9)	$ 31.1