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Other-net (Tables)
 12 Months Ended
Dec. 31, 2012
Other-net [Abstract]  
Summary of other-net expense
Other-net expense is summarized for 2012, 2011 and 2010 as follows:
 
 
Income (Expense)
(Thousands)
 
2012
 
2011
 
2010
Foreign currency exchange/translation gain (loss)
 
$
1,477

 
$
(2,775
)
 
$
(759
)
Amortization of intangible assets
 
(6,008
)
 
(6,144
)
 
(6,462
)
Metal consignment fees
 
(9,011
)
 
(9,877
)
 
(6,539
)
Changes to earn-out valuation
 
—

 
1,052

 
848

Equipment write-off (see below)
 
(1,603
)
 
—

 
—

Other items
 
(464
)
 
1,970

 
(1,915
)
Total
 
$
(15,609
)
 
$
(15,774
)
 
$
(14,827
)