Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Outstanding Forward and Future Contracts

As of December 31, 2014, the Company had the following outstanding futures contracts with settlement dates ranging from February 2015 to March 2015. There were no forward contracts outstanding at December 31, 2014.

			Notional Value
Commodity	Amount		($ in millions)
Silver	675,000	ounces	$	10.5
Gold	200	ounces	$	0.2
Copper	300,000	pounds	$	0.8
Tin	35	metric tons	$	0.7

Effect of Derivative Instruments on the Consolidated Income Statements

Effect of Derivative Instruments in the Consolidated Income Statements - Income/(Expense)

(in thousands)		Year Ended
		December 31,
Derivative	Income Statement Line	2014			2013			2012
Commodity contracts	Cost of goods sold	$	2,655		$	2,620		$	—
	Total derivatives designated as hedging instruments	2,655			2,620			—
Commodity contracts	Cost of goods sold	131			(92		)	—
Commodity contracts	Realized and unrealized gain on derivatives	1,307			1,988			522
Interest rate swap agreements	Interest expense	(156		)	(328		)	—
Derivative features of Subordinated Notes	Realized and unrealized (loss) gain on derivatives	—			(793		)	2,060
	Total derivatives not designated as hedging instruments	1,282			775			2,582
	Total derivatives	$	3,937		$	3,395		$	2,582

Fair Value of Derivative Instruments in the Consolidated Balance Sheets

Fair Value of Derivative Instruments on the Consolidated Balance Sheets - Asset/(Liability)

(in thousands)		December 31,			December 31,
Derivative	Balance Sheet Location	2014			2013
Commodity contracts	Prepaid and other current assets	$	667		$	1,778
	Total derivatives designated as hedging instruments	667			1,778
Commodity contracts	Prepaid and other current assets/(Accrued liabilities)	97			(158		)
Interest rate swap agreements	Other liabilities	(138		)	(214		)
	Total derivatives not designated as hedging instruments	(41		)	(372		)
	Total derivatives	$	626		$	1,406