SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES – Revenue Recognition, Balances Reported with and without Adoption of ASC 606 (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Jan. 01, 2018	Dec. 31, 2017
Consolidated Statements of Income
Net sales	$ 665,775	$ 624,326	$ 2,079,733	$ 1,843,388
Costs and Expenses
Cost of sales	435,379	407,781	1,355,445	1,192,129
Provision for income taxes	11,920	15,989	52,966	48,043
Net income	39,022	53,529	154,091	170,523
Assets
Accounts and note receivable	580,450		580,450			$ 510,426
Inventories	394,264		394,264		$ 322,579	337,216
Prepaid and other	118,613		118,613		123,775	109,791
Liabilities
Accounts payable and accrued liabilities	524,528		524,528		455,873	461,579
Deferred income taxes	48,857		48,857		22,287	20,995
Deferred and other non-current liabilities	24,837		24,837		6,432	5,608
Stockholders' Equity
Retained earnings	1,345,851		1,345,851		1,304,084	$ 1,301,147
Beauty + Home
Consolidated Statements of Income
Net sales	341,760	333,748	1,088,469	978,313
Pharma
Consolidated Statements of Income
Net sales	227,515	199,547	698,851	598,161
Food + Beverage
Consolidated Statements of Income
Net sales	96,500	$ 91,031	292,413	$ 266,914
Balances Without Adoption of ASC 606 | Accounting Standards Update 2014-09
Costs and Expenses
Cost of sales	434,601		1,354,844
Provision for income taxes	11,866		53,138
Net income	38,870		154,445
Assets
Inventories	409,502		409,502
Prepaid and other	102,767		102,767
Liabilities
Accounts payable and accrued liabilities	528,081		528,081
Deferred income taxes	47,737		47,737
Deferred and other non-current liabilities	24,379		24,379
Stockholders' Equity
Retained earnings	1,343,268		1,343,268
Balances Without Adoption of ASC 606 | Accounting Standards Update 2014-09 | Beauty + Home
Consolidated Statements of Income
Net sales	340,787		1,087,922
Balances Without Adoption of ASC 606 | Accounting Standards Update 2014-09 | Pharma
Consolidated Statements of Income
Net sales	227,526		699,299
Balances Without Adoption of ASC 606 | Accounting Standards Update 2014-09 | Food + Beverage
Consolidated Statements of Income
Net sales	96,478		292,437
Adjustment/Effect of Change | Accounting Standards Update 2014-09
Costs and Expenses
Cost of sales	778		601
Provision for income taxes	54		(172)
Net income	152		(354)
Assets
Inventories	(15,238)		(15,238)		(14,637)
Prepaid and other	15,846		15,846		13,984
Liabilities
Accounts payable and accrued liabilities	(3,553)		(3,553)		(5,706)
Deferred income taxes	1,120		1,120		1,292
Deferred and other non-current liabilities	458		458		824
Stockholders' Equity
Retained earnings	2,583		2,583		$ 2,937
Adjustment/Effect of Change | Accounting Standards Update 2014-09 | Beauty + Home
Consolidated Statements of Income
Net sales	973		547
Adjustment/Effect of Change | Accounting Standards Update 2014-09 | Pharma
Consolidated Statements of Income
Net sales	(11)		(448)
Adjustment/Effect of Change | Accounting Standards Update 2014-09 | Food + Beverage
Consolidated Statements of Income
Net sales	$ 22		$ (24)