Segment Information - Reportable Business Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
Net sales	$ 2,008,739	$ 1,745,124	$ 5,014,561	$ 4,443,527
Segment expenses and other	1,788,106	1,539,536	4,444,404	3,937,095
Equity in earnings of affiliates, net of tax	775	0	2,492	0
Adjusted EBIT	221,408	205,588	572,649	506,432
Depreciation	66,927	54,350	190,903	160,645
Segment assets	9,463,566	7,701,160	9,463,566	7,701,160
Capital expenditures	80,098	60,593	235,791	192,035
Corporate
Segment Reporting Information [Line Items]
Net sales	0	0	0	0
Segment expenses and other	11,055	6,704	36,782	22,597
Equity in earnings of affiliates, net of tax	0		0
Adjusted EBIT	(11,055)	(6,704)	(36,782)	(22,597)
Depreciation	115	47	263	115
Segment assets	43,355	37,416	43,355	37,416
Capital expenditures	96	0	1,012	18
Dispensing and Specialty Closures
Segment Reporting Information [Line Items]
Net sales	690,382	563,669	2,063,672	1,664,966
Dispensing and Specialty Closures | Operating Segments
Segment Reporting Information [Line Items]
Net sales	690,382	563,669	2,063,672	1,664,966
Segment expenses and other	577,639	468,453	1,745,518	1,399,193
Equity in earnings of affiliates, net of tax	775		2,492
Adjusted EBIT	113,518	95,216	320,646	265,773
Depreciation	38,458	25,755	111,946	76,290
Segment assets	5,865,522	4,479,582	5,865,522	4,479,582
Capital expenditures	54,527	24,693	146,668	80,707
Metal Containers
Segment Reporting Information [Line Items]
Net sales	1,158,227	1,022,605	2,462,710	2,290,530
Metal Containers | Operating Segments
Segment Reporting Information [Line Items]
Net sales	1,158,227	1,022,605	2,462,710	2,290,530
Segment expenses and other	1,062,367	925,540	2,246,523	2,089,998
Equity in earnings of affiliates, net of tax	0		0
Adjusted EBIT	95,860	97,065	216,187	200,532
Depreciation	19,853	19,801	52,745	57,606
Segment assets	2,763,764	2,355,614	2,763,764	2,355,614
Capital expenditures	19,331	26,056	68,302	85,925
Custom Containers
Segment Reporting Information [Line Items]
Net sales	160,130	158,850	488,179	488,031
Custom Containers | Operating Segments
Segment Reporting Information [Line Items]
Net sales	160,130	158,850	488,179	488,031
Segment expenses and other	137,045	138,839	415,581	425,307
Equity in earnings of affiliates, net of tax	0		0
Adjusted EBIT	23,085	20,011	72,598	62,724
Depreciation	8,501	8,747	25,949	26,634
Segment assets	790,925	828,548	790,925	828,548
Capital expenditures	$ 6,144	$ 9,844	$ 19,809	$ 25,385