Segment and Disaggregated Revenue Information - Net Sales to Unaffiliated Customers (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Net sales to unaffiliated customers
Net sales to unaffiliated customers	$ 1,729.1	$ 1,761.4	$ 4,980.6	$ 5,297.2
Retail Branding and Information Solutions
Net sales to unaffiliated customers
Net sales to unaffiliated customers	426.1	406.8	1,122.9	1,223.4
Retail Branding and Information Solutions | Apparel
Net sales to unaffiliated customers
Net sales to unaffiliated customers	371.5	353.8	985.1	1,077.3
Retail Branding and Information Solutions | Printer Solutions
Net sales to unaffiliated customers
Net sales to unaffiliated customers	54.6	53.0	137.8	146.1
Label and Graphic Materials
Net sales to unaffiliated customers
Net sales to unaffiliated customers	1,145.4	1,185.1	3,420.4	3,569.7
Industrial and Healthcare Materials
Net sales to unaffiliated customers
Net sales to unaffiliated customers	157.6	169.5	437.3	504.1
U.S. | Label and Graphic Materials
Net sales to unaffiliated customers
Net sales to unaffiliated customers	320.7	315.8	963.9	947.6
Europe | Label and Graphic Materials
Net sales to unaffiliated customers
Net sales to unaffiliated customers	404.6	429.5	1,272.2	1,331.6
Asia | Label and Graphic Materials
Net sales to unaffiliated customers
Net sales to unaffiliated customers	264.4	266.8	736.4	790.1
Latin America | Label and Graphic Materials
Net sales to unaffiliated customers
Net sales to unaffiliated customers	84.1	99.0	245.2	284.0
Other international | Label and Graphic Materials
Net sales to unaffiliated customers
Net sales to unaffiliated customers	$ 71.6	$ 74.0	$ 202.7	$ 216.4