ACQUISITIONS (Details) $ in Thousands							3 Months Ended				12 Months Ended
	Oct. 16, 2020 USD ($)	Apr. 01, 2020 USD ($)	Oct. 31, 2019 USD ($)	Aug. 02, 2019 USD ($)	Jun. 05, 2019 USD ($)	May 31, 2019 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Acquisitions
Acquisition of business, net of cash received											$ 164,181	$ 106,328	$ 527,916
Restricted cash included in prepaid and other							$ 4,833				4,833	5,003	5,000
Payment of contingent consideration obligation											2,765	0	0
Acquisition-related costs											6,087	3,927	23,770
Assets
Goodwill							898,521				898,521	763,461	$ 712,095
Bapco
Acquisitions
Payments for asset acquisitions, net of cash acquired				$ 3,800
Asset acquisition, cash acquired				$ 2,900
Asset acquisition, percentage of shares acquired				0.80
Cohero Health, Inc.
Acquisitions
Asset acquisition, consideration transferred	$ 2,400
Bapco
Acquisitions
Ownership investment percentage													20.00%
Noble Acquisition
Acquisitions
Percentage of interest acquired			100.00%
Acquisition of business, net of cash received			$ 62,300							$ 463
Cash and equivalents			1,600
Contingent consideration obligation			2,900				4,200				4,200
Restricted cash included in prepaid and other												5,000
Release of working capital escrow										$ 1,000
Assets
Cash and equivalents			$ 1,600
Nanopharm
Acquisitions
Acquisition of business, net of cash received					$ 38,100
Cash and equivalents					1,800
Assets
Cash and equivalents					$ 1,800
Gateway Acquisition
Acquisitions
Contingent consideration obligation						$ 3,000
Cost of acquired entity						$ 7,000
Payment of contingent consideration obligation								$ 1,300	$ 1,500
Gain realized on payment of contingent consideration								235
Fusion Packaging
Acquisitions
Percentage of interest acquired		100.00%
Acquisition of business, net of cash received		$ 163,800
Cash and equivalents		1,000
Contingent consideration obligation		19,100					26,900				26,900
Fair value true-up for contingent consideration liability							3,600
Restricted cash included in prepaid and other		5,700
Release of working capital escrow								2,000
Proceeds from release of working capital escrow returned to buyer								$ 294
Sales of acquiree during the reporting period											53,400
Pretax income of acquiree during the reporting period											(1,500)
Fair value adjustment amortization for inventory and consideration transferred											6,900
Assets
Cash and equivalents		$ 1,000
2020 Acquisitions
Acquisitions
Cash and equivalents							1,010				1,010
Acquisition-related costs											4,600
Deductible goodwill for tax purposes							80,600				80,600
Assets
Cash and equivalents							1,010				1,010
Accounts receivable							4,380				4,380
Inventories							386				386
Prepaid and other							1,090				1,090
Property, plant and equipment							2,885				2,885
Goodwill							103,130				103,130
Intangible assets							79,900				79,900
Operating lease right-of-use assets							4,744				4,744
Other miscellaneous assets							65				65
Liabilities
Accounts payable, accrued and other liabilities							5,641				5,641
Deferred income taxes							0				0
Operating lease liabilities							4,207				4,207
Deferred and other non-current liabilities							322				322
Net assets acquired							187,420				187,420
2020 Acquisitions | Beauty + Home
Assets
Goodwill							$ 103,100				$ 103,100
2019 Acquisitions
Acquisitions
Cash and equivalents												3,427
Acquisition-related costs												3,400
Deductible goodwill for tax purposes												32,800
Assets
Cash and equivalents												3,427
Accounts receivable												3,504
Inventories												0
Prepaid and other												2,478
Property, plant and equipment												4,267
Goodwill												59,143
Intangible assets												52,980
Operating lease right-of-use assets												0
Other miscellaneous assets												430
Liabilities
Accounts payable, accrued and other liabilities												5,388
Deferred income taxes												2,592
Operating lease liabilities												0
Deferred and other non-current liabilities												1,598
Net assets acquired												116,651
2019 Acquisitions | Pharma
Assets
Goodwill												$ 59,100