Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2013

Derivative and Other Financial Instrument [Abstract]

Schedule of Derivative Instruments

The foreign currency financial instrument liabilities at September 30, 2013 and December 31, 2012 are as follows:

	September 30, 2013			December 31, 2012
Currency	Carrying Amount		Notional Amount	Carrying Amount		Notional Amount
Japanese Yen	$	1,532	¥150,481	$	1,695	¥146,991
Pound Sterling	23,100		£14,270	23,047		£14,186
Total	$	24,632		$	24,742

Change in Financial Instrument Balance

Information is summarized below for foreign currency financial liabilities and related restricted cash:

Foreign exchange transactions:	September 30,
	2013			2012
Balance, beginning of year	$	24,742		$	23,736
Net investment (gains) losses	(274		)	848
Receipt of dividends, net of interest expense	134			149
Other	30			—
Balance of foreign currency financial instruments liability and related restricted cash, end of period (a)	$	24,632		$	24,733

(a) The financial instruments payable in foreign currencies are entered into with a counterparty and are considered Level 2 measurements. Carrying value approximates fair value.

Schedule of Outstanding Forward or Future Contracts with Settlement Dates [Table Text Block]

As of September 30, 2013, the Company had the following outstanding future contracts with settlement dates ranging from October to December 2013:

Commodity	Amount	Notional Value
Silver	760,000 ounces	$	16,600
Gold	900 ounces	$	1,200
Copper	400,000 pounds	$	1,300
Tin	45 metric tons	$	1,000

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

Fair Value of Derivative Instruments in the Consolidated Balance Sheets:

Derivative	Balance Sheet Location	September 30, 2013			December 31, 2012
Foreign currency financial instruments (a)	Financial instruments	$	24,632		$	24,742
Commodity contracts (a), (b)	Prepaid and other current assets	$	1,397		$	(127	)
Commodity contracts (a)	Other current liabilities	$	—		$	27
Interest rate swap agreement (a)	Other current liabilities	$	(211	)	$	—
Derivative features of subordinated notes (a)	Long-term debt	$	—		$	(184	)

(a) Carrying amount equals fair value.

(b) Includes $961 designated as hedging instruments as of September 30, 2013.

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance

Effect of derivative instruments on the Consolidated Statements of Operations:

		Three Months Ended September 30,						Nine Months Ended September 30,
		2013			2012			2013			2012
Derivative	Statement of Operations Location	Gain (loss)			Gain (loss)			Gain (loss)			Gain (loss)
Foreign currency financial instruments (a)	Net investment gains	$	(1,410	)	$	(682	)	$	274		$	(848	)
Commodity contracts (a)	Cost of goods sold	(1,543		)	—			1,083			—
Commodity contracts (b)	Realized and unrealized gain on derivatives	(351		)	(1,036		)	1,495			(284		)
Interest rate swap agreements (b)	Interest expense	(161		)	—			(265		)	—
Derivative features of subordinated notes (b)	Realized and unrealized gain on derivatives	—			(98		)	(793		)	691
Total derivatives		$	(3,465	)	$	(1,816	)	$	1,794		$	(441	)

(a) Designated as hedging instruments.

(b) Not designated as hedging instruments.