Inventories (Tables)

3 Months Ended

Mar. 30, 2019

Inventory Disclosure [Abstract]

Schedule of inventories

(dollars in millions)	As of March 30, 2019		As of December 29, 2018
Raw materials and supplies	$	143.9	$	152.1
Work in progress	39.5		38.4
Finished goods	376.3		347.1
Total inventories	$	559.7	$	537.6