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Other Liabilities (Tables)
 12 Months Ended
Dec. 31, 2014
Other Liabilities [Abstract]  
Schedule Of Other Liabilities
(in thousands) December 31,
 
2014

 
2013

Environmental
 
$
64,406

 
$
20,610

Other
 
67,471

 
68,548

 
 
$
131,877

 
$
89,158