BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Sep. 30, 2020	Sep. 30, 2019
Schedule Of Significant Accounting Policies [Line Items]
Percentage of total annual net sales in the third and fourth quarters				60.00%	62.00%
SKU Rationalization charged to cost of sales							$ 8,500
Percentage Of inventory effected			8.00%
Restructuring expenses	$ 0	$ 338				$ 253	1,119
Employee Severance | International
Schedule Of Significant Accounting Policies [Line Items]
Restructuring expenses accrued	100					100
Restructuring expenses						300
Employee Severance | U.S. segment
Schedule Of Significant Accounting Policies [Line Items]
Restructuring expenses							400
Employee Severance | European operations
Schedule Of Significant Accounting Policies [Line Items]
Restructuring expenses		300					700
Receivables Purchase Agreement
Schedule Of Significant Accounting Policies [Line Items]
Sale of receivables	43,000	32,500				116,900	81,700
Receivables sold outstanding	26,700	17,800				26,700	17,800
Receivables Purchase Agreement | Selling, general and administrative expense
Schedule Of Significant Accounting Policies [Line Items]
Charge related to sale of receivables	$ 100	$ 200				$ 400	$ 400