RESTRUCTURING INITIATIVE (Details) (USD $)	0 Months Ended	12 Months Ended
	Nov. 01, 2012 item	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring reserve
Net Charges			$ 11,800,000	$ 3,102,000
European Restructuring Plan
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
Net Charges			11,844,000	3,314,000
Cash Paid		(3,744,000)
FX Impact		(153,000)
Restructuring reserve, balance at the end of the period		359,000	4,256,000
Employee severance | European Restructuring Plan
Restructuring reserve
Restructuring reserve, balance at the beginning of the period		2,521,000
Cash Paid		(2,049,000)
FX Impact		(113,000)
Restructuring reserve, balance at the end of the period		359,000
Other costs | European Restructuring Plan
Restructuring reserve
Restructuring reserve, balance at the beginning of the period		1,735,000
Cash Paid		(1,695,000)
FX Impact		$ (40,000)