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Receivables (Tables)
 12 Months Ended
Dec. 31, 2014
Receivables [Abstract]  
Schedule Of Allowance For Doubtful Accounts Receivable
The following table provides a reconciliation of the activity related to the Company's allowance for doubtful accounts receivable, for the years ended December 31:
(In thousands)
2014
 
2013
 
2012
Balance at beginning of period
$
705

 
$
677

 
$
858

Provision for doubtful accounts
178

 
194

 
304

Additions related to acquired businesses
58

 
5

 
—

Recoveries
4

 
1

 
8

Accounts written off
(28
)
 
(172
)
 
(493
)
Balance at end of period
$
917

 
$
705

 
$
677