REVENUE - Revenue by Geographic Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
REVENUE
Net revenue	$ 776,754	$ 721,553
Pharma
REVENUE
Net revenue	313,832	297,196
Beauty + Home
REVENUE
Net revenue	346,946	324,560
Food + Beverage
REVENUE
Net revenue	115,976	99,797
Europe
REVENUE
Net revenue	425,689	405,849
Europe | Pharma
REVENUE
Net revenue	207,947	190,130
Europe | Beauty + Home
REVENUE
Net revenue	189,240	186,950
Europe | Food + Beverage
REVENUE
Net revenue	28,502	28,769
Domestic
REVENUE
Net revenue	255,165	230,400
Domestic | Pharma
REVENUE
Net revenue	89,295	90,965
Domestic | Beauty + Home
REVENUE
Net revenue	98,807	81,845
Domestic | Food + Beverage
REVENUE
Net revenue	67,063	57,590
Latin America
REVENUE
Net revenue	48,965	50,794
Latin America | Pharma
REVENUE
Net revenue	5,370	6,579
Latin America | Beauty + Home
REVENUE
Net revenue	34,342	36,181
Latin America | Food + Beverage
REVENUE
Net revenue	9,253	8,034
Asia
REVENUE
Net revenue	46,935	34,510
Asia | Pharma
REVENUE
Net revenue	11,220	9,522
Asia | Beauty + Home
REVENUE
Net revenue	24,557	19,584
Asia | Food + Beverage
REVENUE
Net revenue	$ 11,158	$ 5,404