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Other Non-current Liabilities
12 Months Ended
Dec. 31, 2011
Other Liabilities, Noncurrent [Abstract]  
Other Non-Current Liabilities
Other Non-Current Liabilities
Other non-current liabilities consist of the following at:
 
 
December 31,
2011
 
2010
(In thousands)
Uncertain tax positions
$
6,499

 
$
8,080

Deferred rental expenses
7,751

 
7,158

Deferred revenue
793

 
1,046

Termination benefits (see note 26)
881

 
770

Other liabilities
136

 
220

Total
$
16,060

 
$
17,274

Uncertain tax positions have been recorded for potential exposures involving tax positions that could be challenged by taxing authorities.