COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) employee	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Concentration Risk [Line Items]
Total number of employees | employee	3,386
Changes in warranty reserve
Balance, beginning of the year	$ 8,180	$ 8,214	$ 7,852
Provision for warranty claims	7,249	6,664	7,092
Warranty claims paid	(6,801)	(6,631)	(6,716)
Foreign currency translation adjustment	(115)	(67)	(14)
Balance, end of the year	$ 8,513	$ 8,180	$ 8,214
Unionized Employees Concentration Risk | Workforce Subject to Collective Bargaining Arrangements
Concentration Risk [Line Items]
Percentage of employees represented by unions	11.30%
Carpenters Union Local 1615
Concentration Risk [Line Items]
Total number of hourly employees covered in an agreement | employee	200
Italy Unions
Concentration Risk [Line Items]
Total number of employees | employee	182