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Income Taxes (Tables)
3 Months Ended
Mar. 31, 2014
Income Tax Disclosure [Abstract]  
Schedule Of Interest And Penalties
 
March 31, 2014
 
December 31, 2013
Gross liability for unrecognized tax benefits, exclusive of interest and penalties
$
12,683

 
$
12,028

Interest and penalties on unrecognized benefits
825

 
754

Total gross uncertain tax positions
$
13,508

 
$
12,782

Amount included in Current liabilities
$
4,196

 
$
4,175

Amount included in Other long-term liabilities
9,312

 
8,607

 
$
13,508

 
$
12,782