REVENUE - Revenue by Geographic Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
REVENUE
Net revenue	$ 759,153	$ 701,278	$ 2,180,011	$ 2,188,399
Beauty + Home
REVENUE
Net revenue	337,231	328,182	961,577	1,037,921
Pharma
REVENUE
Net revenue	315,758	269,251	914,213	823,891
Food + Beverage
REVENUE
Net revenue	106,164	103,845	304,221	326,587
Europe
REVENUE
Net revenue	401,765	391,512	1,189,680	1,248,411
Europe | Beauty + Home
REVENUE
Net revenue	165,701	188,542	505,063	607,316
Europe | Pharma
REVENUE
Net revenue	206,376	174,252	598,319	549,080
Europe | Food + Beverage
REVENUE
Net revenue	29,688	28,718	86,298	92,015
Domestic
REVENUE
Net revenue	262,546	211,497	722,871	640,543
Domestic | Beauty + Home
REVENUE
Net revenue	109,175	75,931	285,369	236,883
Domestic | Pharma
REVENUE
Net revenue	92,932	78,259	264,995	226,073
Domestic | Food + Beverage
REVENUE
Net revenue	60,439	57,307	172,507	177,587
Latin America
REVENUE
Net revenue	49,435	54,685	143,598	170,605
Latin America | Beauty + Home
REVENUE
Net revenue	37,921	40,261	103,995	124,352
Latin America | Pharma
REVENUE
Net revenue	4,846	6,366	18,412	21,100
Latin America | Food + Beverage
REVENUE
Net revenue	6,668	8,058	21,191	25,153
Asia
REVENUE
Net revenue	45,407	43,584	123,862	128,840
Asia | Beauty + Home
REVENUE
Net revenue	24,434	23,448	67,150	69,370
Asia | Pharma
REVENUE
Net revenue	11,604	10,374	32,487	27,638
Asia | Food + Beverage
REVENUE
Net revenue	$ 9,369	$ 9,762	$ 24,225	$ 31,832