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Income Taxes (Tables)
9 Months Ended
Sep. 30, 2015
Income Tax Disclosure [Abstract]  
Schedule Of Interest And Penalties
 
September 30, 2015
 
December 31, 2014
Gross liability for unrecognized tax benefits, exclusive of interest and penalties
$
14,936

 
$
14,018

Interest and penalties on unrecognized benefits
1,414

 
1,066

Total gross uncertain tax positions
$
16,350

 
$
15,084

Amount included in Current liabilities
$
4,097

 
$
4,757

Amount included in Other long-term liabilities
12,253

 
10,327

 
$
16,350

 
$
15,084