Rationalization Charges - Rationalization Charges by Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Restructuring Cost and Reserve [Line Items]
Rationalization charges	$ 6,859	$ 2,667	$ 18,550	$ 6,788
Dispensing and Specialty Closures
Restructuring Cost and Reserve [Line Items]
Rationalization charges	3,191	1,214	9,748	1,328
Metal Containers
Restructuring Cost and Reserve [Line Items]
Rationalization charges	2,493	1,453	6,077	5,356
Custom Containers
Restructuring Cost and Reserve [Line Items]
Rationalization charges	$ 1,175	$ 0	$ 2,725	$ 104