Debt (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Summary of long-term debt

Long-term debt on the Consolidated Balance Sheets is summarized as follows:

	December 31,
(Thousands)	2012			2011
Revolving credit agreement	$	30,000		$	25,000
Fixed rate industrial development revenue bonds payable in annual installments through 2021	7,158			7,705
Variable rate industrial development revenue bonds payable in 2016	8,305			8,305
Total outstanding	45,463			41,010
Current portion of long-term debt	(583		)	(547		)
Total	$	44,880		$	40,463

Maturities on long-term debt instruments

Maturities on long-term debt instruments as of December 31, 2012 are as follows:

2013	$	583
2014	613
2015	653
2016	38,998
2017	733
Thereafter	3,883
Total	$	45,463

Summary of short-term lines of credit

The following table summarizes the Company’s short-term lines of credit. Amounts shown as outstanding are included in short-term debt on the Consolidated Balance Sheets.

	December 31, 2012						December 31, 2011
(Thousands)	Total		Outstanding		Available		Total		Outstanding		Available
Domestic	$	256,799	$	8,000	$	248,799	$	262,724	$	3,200	$	259,524
Foreign	15,266		1,415		13,851		16,149		770		15,379
Precious metal	39,435		39,435		—		36,427		36,427		—
Total	$	311,500	$	48,850	$	262,650	$	315,300	$	40,397	$	274,903