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Income Taxes (Tables)
3 Months Ended
Mar. 31, 2016
Income Tax Disclosure [Abstract]  
Schedule Of Interest And Penalties
 
March 31, 2016
 
December 31, 2015
Gross liability for unrecognized tax benefits, exclusive of interest and penalties
$
14,990

 
$
14,517

Interest and penalties on unrecognized benefits
1,497

 
1,391

Total gross uncertain tax positions
$
16,487

 
$
15,908

Amount included in Current liabilities
$
4,811

 
$
4,511

Amount included in Other long-term liabilities
11,676

 
11,397

 
$
16,487

 
$
15,908