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Long-term Debt (Tables)
9 Months Ended
Sep. 30, 2018
Long-term Debt and Capital Lease Obligations [Abstract]  
Schedule Of Long-Term Debt
(in thousands)
 
September 30,
2018
 
December 31,
2017
Senior notes - 4.10% due 2022 (net of related deferred financing costs)
 
$
347,530

 
$
347,091

Senior notes - 3.78% due 2029
 
250,000

 
250,000

Revolving credit facility
 
215,619

 
0

Capital lease obligations
 
5,328

 
5,809

 
 
$
818,477

 
$
602,900

Schedule Of Unused Portion Of Revolving Credit Facility
The following table provides information related to the unused portion of our revolving credit facility:
(in thousands)
 
September 30,
2018
 
December 31,
2017
Maximum borrowing capacity under the revolving credit facility
 
$
850,000

 
$
850,000

Outstanding borrowings under the revolving credit facility
 
215,619

 
0

Outstanding letters of credit
 
2,710

 
2,830

Unused portion of revolving credit facility
 
$
631,671

 
$
847,170