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Other Liabilities (Tables)
 12 Months Ended
Dec. 31, 2011
Other Liabilities [Abstract]  
Schedule of Other Liabilities
December 31,
2011
2010
Employee benefits:
 

 

Accrued other long-term benefit costs (Note 17)
$
4,063

$
3,670

Accrued pension benefit costs (Note 17)
9,186

5,401

Accrued environmental remediation costs
316

317

Miscellaneous
1,943

1,638

 
$
15,508

$
11,026