Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories are summarized at December 31, as follows:

(in millions)	2018		2017
Raw materials and supplies	$	197.4	$	198.3
Work in process and finished goods	422.1		421.9
Total inventories	$	619.5	$	620.2