RESTRUCTURING - Narrative (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		1 Months Ended		3 Months Ended
	Mar. 31, 2015 board_member	Mar. 31, 2014	Jan. 31, 2015 Facility	May 31, 2015 board_member	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	$ 1,996	$ 0
Number of members of board of directors	9
DynaEnergetics
Restructuring Cost and Reserve [Line Items]
Number of distribution centers closed			2
Number of new centralized distribution centers to replace closed distribution centers			2
Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Number of members of board of directors not standing for re-election				2
Number of members of board of directors				7
Facility closing | NobelClad
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	54				6,781
Expected additional pretax restructuring and impairment charges	500
Facility closing | DynaEnergetics
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	382
Facility closing | Minimum | DynaEnergetics
Restructuring Cost and Reserve [Line Items]
Expected additional pretax restructuring and impairment charges	500
Facility closing | Maximum | DynaEnergetics
Restructuring Cost and Reserve [Line Items]
Expected additional pretax restructuring and impairment charges	1,000
Severance | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	$ 1,560