SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Balances Reported with and without Adoption of ASC 606 (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2019	Jan. 01, 2018
Consolidated Statements of Income
Net sales	$ 671,333	$ 701,278	$ 742,661	$ 744,460	$ 685,028	$ 665,775	$ 710,608	$ 703,350	$ 2,859,732	$ 2,764,761	$ 2,469,283
Costs and Expenses
Cost of sales									1,818,398	1,812,961	1,603,070
Provision for income taxes									99,842	71,254	74,796
Net income	48,538	$ 56,769	$ 73,921	$ 62,999	40,675	$ 39,022	$ 55,781	$ 59,288	242,227	194,766	220,029
Assets
Accounts and note receivable	558,428				569,630				558,428	569,630
Inventories	375,795				381,110				375,795	381,110	337,216		$ 330,152
Prepaid and other	115,048				118,245				115,048	118,245	109,791	$ 116,862	116,202
Liabilities
Accounts payable, accrued and other liabilities	573,028				525,199				573,028	525,199	461,579	$ 545,707	455,873
Deferred income taxes	41,388				53,917				41,388	53,917	20,995		22,287
Deferred and other non-current liabilities	23,250				23,465				23,250	23,465	5,608		6,432
Stockholders' Equity
Retained earnings	$ 1,523,820				1,371,826				1,523,820	1,371,826	1,301,147		1,304,084
Beauty + Home
Consolidated Statements of Income
Net sales									1,352,714	1,426,382	1,313,786
Pharma
Consolidated Statements of Income
Net sales									1,091,051	954,652	805,880
Food + Beverage
Consolidated Statements of Income
Net sales									$ 415,967	383,727	$ 349,617
Balances Without Adoption of ASC 606 | Accounting Standards Update 2014-09
Costs and Expenses
Cost of sales										1,811,290
Provision for income taxes										71,541
Net income										195,588
Assets
Inventories					391,315					391,315
Prepaid and other					108,490					108,490
Liabilities
Accounts payable, accrued and other liabilities					529,168					529,168
Deferred income taxes					52,912					52,912
Deferred and other non-current liabilities					23,066					23,066
Stockholders' Equity
Retained earnings					1,369,711					1,369,711
Balances Without Adoption of ASC 606 | Accounting Standards Update 2014-09 | Beauty + Home
Consolidated Statements of Income
Net sales										1,424,701
Balances Without Adoption of ASC 606 | Accounting Standards Update 2014-09 | Pharma
Consolidated Statements of Income
Net sales										954,497
Balances Without Adoption of ASC 606 | Accounting Standards Update 2014-09 | Food + Beverage
Consolidated Statements of Income
Net sales										385,001
Adjustment/Effect of Change | Accounting Standards Update 2014-09
Costs and Expenses
Cost of sales										1,671
Provision for income taxes										(287)
Net income										(822)
Assets
Inventories					(10,205)					(10,205)			(7,064)
Prepaid and other					9,755					9,755			6,411
Liabilities
Accounts payable, accrued and other liabilities					(3,969)					(3,969)			(5,706)
Deferred income taxes					1,005					1,005			1,292
Deferred and other non-current liabilities					399					399			824
Stockholders' Equity
Retained earnings					$ 2,115					2,115			$ 2,937
Adjustment/Effect of Change | Accounting Standards Update 2014-09 | Beauty + Home
Consolidated Statements of Income
Net sales										1,681
Adjustment/Effect of Change | Accounting Standards Update 2014-09 | Pharma
Consolidated Statements of Income
Net sales										155
Adjustment/Effect of Change | Accounting Standards Update 2014-09 | Food + Beverage
Consolidated Statements of Income
Net sales										$ (1,274)