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Trade Accounts and Notes Receivable (Tables)
 12 Months Ended
Dec. 31, 2014
Trade Accounts and Notes Receivable
Trade accounts and notes receivable from customers at December 31, 2014 and 2013 consist of the following:
(In thousands)
2014
 
2013
Accounts receivable
$
151,082

 
$
94,613

Notes receivable
4,706

 
9,039

 
155,788

 
103,652

Less allowance for doubtful accounts
1,827

 
1,779

 
$
153,961

 
$
101,873