Value Creation Plan (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Restructuring Cost and Reserve [Line Items]
Reversal of previously recognized stock-based compensation related to forfeited awards of terminated employees	$ 2.1
Consumer Products [Member] | Employee termination, recruitment and relocation costs [Member]
Restructuring Cost and Reserve [Line Items]
Other expense	0.8	$ 1.3
Corporate Services [Member] | Employee termination, recruitment and relocation costs [Member]
Restructuring Cost and Reserve [Line Items]
Other expense	0.7	0.1
Global Ingredients [Member] | Employee termination, recruitment and relocation costs [Member]
Restructuring Cost and Reserve [Line Items]
Other expense	$ 0.2	$ 0.3