REVENUE - Revenue by Geographic Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
REVENUE
Net revenue	$ 825,442	$ 759,153	$ 2,413,228	$ 2,180,011
Pharma
REVENUE
Net revenue	313,225	315,758	952,400	914,213
Beauty + Home
REVENUE
Net revenue	374,088	337,231	1,081,280	961,577
Food + Beverage
REVENUE
Net revenue	138,129	106,164	379,548	304,221
Europe
REVENUE
Net revenue	433,489	401,765	1,296,171	1,189,680
Europe | Pharma
REVENUE
Net revenue	202,893	206,376	623,060	598,319
Europe | Beauty + Home
REVENUE
Net revenue	193,772	165,701	575,383	505,063
Europe | Food + Beverage
REVENUE
Net revenue	36,824	29,688	97,728	86,298
Domestic
REVENUE
Net revenue	280,237	262,546	804,582	722,871
Domestic | Pharma
REVENUE
Net revenue	89,620	92,932	272,442	264,995
Domestic | Beauty + Home
REVENUE
Net revenue	109,103	109,175	311,589	285,369
Domestic | Food + Beverage
REVENUE
Net revenue	81,514	60,439	220,551	172,507
Latin America
REVENUE
Net revenue	57,750	49,435	162,776	143,598
Latin America | Pharma
REVENUE
Net revenue	5,318	4,846	15,982	18,412
Latin America | Beauty + Home
REVENUE
Net revenue	40,441	37,921	113,665	103,995
Latin America | Food + Beverage
REVENUE
Net revenue	11,991	6,668	33,129	21,191
Asia
REVENUE
Net revenue	53,966	45,407	149,699	123,862
Asia | Pharma
REVENUE
Net revenue	15,394	11,604	40,916	32,487
Asia | Beauty + Home
REVENUE
Net revenue	30,772	24,434	80,643	67,150
Asia | Food + Beverage
REVENUE
Net revenue	$ 7,800	$ 9,369	$ 28,140	$ 24,225