RESTRUCTURING INITIATIVES (Details) (European Restructuring Plan, USD $)	1 Months Ended	3 Months Ended
	Nov. 30, 2012 item	Mar. 31, 2014
Restructuring initiatives
Number of facilities involved in restructuring plan	12
Number of facilities closed	2
Number of employees impacted by closure of facilities	170
Cumulative expense incurred to date		$ 19,500,000
Restructuring reserve
Restructuring reserve, balance at the beginning of the period		4,256,000
Cash Paid		(2,372,000)
FX Impact		12,000
Restructuring reserve, balance at the end of the period		1,896,000
Employee severance
Restructuring reserve
Restructuring reserve, balance at the beginning of the period		2,521,000
Cash Paid		(1,880,000)
FX Impact		(1,000)
Restructuring reserve, balance at the end of the period		640,000
Other costs
Restructuring reserve
Restructuring reserve, balance at the beginning of the period		1,735,000
Cash Paid		(492,000)
FX Impact		13,000
Restructuring reserve, balance at the end of the period		$ 1,256,000