Rationalization Charges - Rationalization Charges by Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Restructuring Cost and Reserve [Line Items]
Rationalization charges	$ 9,864	$ 6,859	$ 20,823	$ 18,550
Dispensing and Specialty Closures
Restructuring Cost and Reserve [Line Items]
Rationalization charges	3,275	3,191	7,646	9,748
Metal Containers
Restructuring Cost and Reserve [Line Items]
Rationalization charges	5,140	2,493	10,072	6,077
Custom Containers
Restructuring Cost and Reserve [Line Items]
Rationalization charges	$ 1,449	$ 1,175	$ 3,105	$ 2,725