GOODWILL (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Changes to the carrying amount of goodwill
Goodwill balance at the beginning of the period	$ 37,970
Adjustment due to recognition of tax benefit of tax amortization of certain goodwill	(242)
Adjustment due to exchange rate differences	(39)
Goodwill balance at the end of the period	37,689
NobelClad
Changes to the carrying amount of goodwill
Goodwill balance at the beginning of the period	22,238
Adjustment due to recognition of tax benefit of tax amortization of certain goodwill	(89)
Adjustment due to exchange rate differences	(22)
Goodwill balance at the end of the period	22,127
Oilfield Products
Changes to the carrying amount of goodwill
Goodwill balance at the beginning of the period	15,732
Adjustment due to recognition of tax benefit of tax amortization of certain goodwill	(153)
Adjustment due to exchange rate differences	(17)
Goodwill balance at the end of the period	$ 15,562