ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Accounts Payable and Accrued Liabilities, Current [Abstract]
Salaries, wages, and commissions	$ 30,700	$ 29,600
Product warranty costs	9,000	9,500
Insurance	2,500	1,900
Employee benefits	9,500	9,100
Other	13,100	13,800
Accrued expenses and other current liabilities	$ 64,811	$ 63,887