Restructuring Activities - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2.4	$ 1.0	$ 4.5	$ 11.7
Other associated costs	5.4	7.2	$ 15.5	15.0
Restructuring program term (in years)			3 years
Restructuring accrual expected to pay	7.6		$ 7.6		$ 12.2
Restructuring accrual	9.4		9.4		$ 14.3
Food
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.8	(1.4)	1.9	3.8
Restructuring accrual	4.1		4.1
Protective
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1.6	$ 2.4	2.6	$ 7.9
Restructuring accrual	5.3		5.3
Program
Restructuring Cost and Reserve [Line Items]
Other associated costs			15.5
Restructuring accrual expected to pay	7.6		7.6
Restructuring accrual remaining	1.8		1.8
Program | Minimum
Restructuring Cost and Reserve [Line Items]
Other associated costs			105.0
Restructuring expected spend	175.0		175.0			$ 190.0
Program | Maximum
Restructuring Cost and Reserve [Line Items]
Other associated costs			120.0
Restructuring expected spend	$ 200.0		$ 200.0			$ 220.0