SEGMENT INFORMATION - Summary of Reportable Segments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Financial information regarding the Company's reportable segments
Number of reportable segments | segment	3
Net sales	$ 3,227,221	$ 2,929,340	$ 2,859,732
Acquisition-related costs	(3,811)	(6,087)	(3,927)
Restructuring initiatives	(23,240)	(26,492)	(20,472)
Net unrealized investment gain	2,709	0	0
Depreciation and amortization	(234,853)	(220,300)	(194,552)
Interest expense	(30,284)	(33,244)	(35,489)
Interest income	3,668	958	4,174
Income before Income Taxes	321,655	301,155	342,069
Capital expenditures	307,935	245,954	242,276
Total Assets	4,141,364	3,990,053	3,562,119
Pharma
Financial information regarding the Company's reportable segments
Net sales	1,284,624	1,225,779	1,091,051
Beauty + Home
Financial information regarding the Company's reportable segments
Net sales	1,434,022	1,298,151	1,352,714
Food + Beverage
Financial information regarding the Company's reportable segments
Net sales	508,575	405,410	415,967
Operating Segments
Financial information regarding the Company's reportable segments
Net sales	3,265,316	2,962,530	2,894,507
Operating Segments | Pharma
Financial information regarding the Company's reportable segments
Net sales	1,297,996	1,234,107	1,100,463
Adjusted EBITDA	425,714	428,469	387,483
Restructuring initiatives	(76)	(220)	(632)
Depreciation and amortization	(90,510)	(75,874)	(65,590)
Capital expenditures	154,077	117,835	89,702
Total Assets	1,833,512	1,549,781	1,422,815
Operating Segments | Beauty + Home
Financial information regarding the Company's reportable segments
Net sales	1,456,208	1,320,988	1,376,027
Adjusted EBITDA	154,689	129,299	181,150
Restructuring initiatives	(10,447)	(24,464)	(17,682)
Depreciation and amortization	(96,611)	(95,880)	(82,778)
Capital expenditures	100,531	93,980	96,040
Total Assets	1,615,917	1,610,058	1,378,292
Operating Segments | Food + Beverage
Financial information regarding the Company's reportable segments
Net sales	511,112	407,435	418,017
Adjusted EBITDA	79,377	71,995	68,108
Restructuring initiatives	(404)	(1,903)	(391)
Depreciation and amortization	(40,323)	(37,768)	(35,728)
Capital expenditures	34,136	29,956	45,130
Total Assets	574,269	549,270	534,527
Intersegment
Financial information regarding the Company's reportable segments
Net sales	(38,095)	(33,190)	(34,775)
Intersegment | Pharma
Financial information regarding the Company's reportable segments
Net sales	(13,372)	(8,328)	(9,412)
Intersegment | Beauty + Home
Financial information regarding the Company's reportable segments
Net sales	(22,186)	(22,837)	(23,313)
Intersegment | Food + Beverage
Financial information regarding the Company's reportable segments
Net sales	(2,537)	(2,025)	(2,050)
Corporate & Other
Financial information regarding the Company's reportable segments
Adjusted EBITDA	(52,314)	(43,443)	(44,406)
Restructuring initiatives	(12,313)	95	(1,767)
Depreciation and amortization	(7,409)	(10,778)	(10,456)
Capital expenditures	29,686	15,690	13,933
Transfer of Corporate Technology Expenditures	(10,495)	(11,507)	(2,529)
Total Assets	$ 117,666	$ 280,944	$ 226,485