Segment and Disaggregated Revenue Information - Sales (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Segment Information
Net sales to unaffiliated customers	$ 1,729.1	$ 1,761.4	$ 4,980.6	$ 5,297.2
Corporate expense	(19.1)	(22.7)	(49.0)	(65.5)
Interest expense	(15.6)	(19.0)	(54.4)	(58.0)
Other non-operating expense (income), net	(0.1)	(0.8)	0.2	(448.2)
Income before taxes	197.8	179.9	482.0	84.2
Other expense (income), net	12.4	6.7	57.3	21.7
Intersegment sales
Segment Information
Net sales to unaffiliated customers	29.1	25.3	79.3	81.3
Label and Graphic Materials
Segment Information
Net sales to unaffiliated customers	1,145.4	1,185.1	3,420.4	3,569.7
Label and Graphic Materials | Operating segments
Segment Information
Net sales to unaffiliated customers	19.8	18.2	55.1	59.5
Income before taxes	173.1	159.0	483.1	460.6
Other expense (income), net	1.4	1.2	28.3	13.2
Retail Branding and Information Solutions | Operating segments
Segment Information
Net sales to unaffiliated customers	7.3	5.6	19.4	14.8
Income before taxes	47.0	45.7	67.2	147.5
Other expense (income), net	4.4	1.2	20.6	0.9
Industrial and Healthcare Materials
Segment Information
Net sales to unaffiliated customers	157.6	169.5	437.3	504.1
Industrial and Healthcare Materials | Operating segments
Segment Information
Net sales to unaffiliated customers	2.0	1.5	4.8	7.0
Income before taxes	12.5	17.7	34.9	47.8
Other expense (income), net	$ 6.6	0.9	8.6	4.2
Corporate | Operating segments
Segment Information
Other expense (income), net		$ 3.4	$ (0.2)	$ 3.4