Segment Information - Reportable Business Segment Information (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Net sales		$ 1,441,886	$ 1,238,110
Depreciation and amortization	[1]	67,608	59,551
Rationalization charges		1,379	10,357
Segment income		143,392	126,549
Amortization of debt issuance costs and discounts		1,500	1,300
Dispensing and Specialty Closures
Segment Reporting Information [Line Items]
Net sales		597,927	509,352
Depreciation and amortization	[1]	36,619	28,890
Rationalization charges		0	5,231
Segment income		87,313	65,645
Metal Containers
Segment Reporting Information [Line Items]
Net sales		650,726	554,081
Depreciation and amortization	[1]	21,064	21,249
Rationalization charges		1,274	5,021
Segment income		38,009	45,614
Custom Containers
Segment Reporting Information [Line Items]
Net sales		193,233	174,677
Depreciation and amortization	[1]	9,883	9,373
Rationalization charges		105	105
Segment income		24,694	24,486
Corporate
Segment Reporting Information [Line Items]
Net sales		0	0
Depreciation and amortization	[1]	42	39
Rationalization charges		0	0
Segment income		$ (6,624)	$ (9,196)

[1] Depreciation and amortization excludes amortization of debt discount and debt issuance costs of $1.5 million and $1.3 million for the three months ended March 31, 2022 and 2021, respectively.