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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2012
Equity [Abstract]  
Components of accumulated other comprehensive loss
Accumulated other comprehensive loss as reported in the consolidated balance sheets as of December 31, 2012 and 2011 was comprised of the following:
 
2012
 
2011
Foreign currency translation losses
$
(2,322
)
 
$
(4,691
)
Unrecognized pension and postretirement benefit costs, net of tax
(18,749
)
 
(15,133
)
Total accumulated other comprehensive loss
$
(21,071
)
 
$
(19,824
)