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Consolidated Valuation And Qualifying Accounts
 12 Months Ended
Dec. 31, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Consolidated Valuation And Qualifying Accounts
DUCOMMUN INCORPORATED AND SUBSIDIARIES
CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS
YEARS ENDED DECEMBER 31, 2018, 2017, AND 2016
(in thousands)
SCHEDULE II
 
Description
 
Balance at
Beginning
of Period
 
Charged to
Costs and
Expenses
 
Deductions/(Recoveries)
 
Balance at End
of Period
2018
 
 
 
 
 
 
 
 
Allowance for Doubtful Accounts
 
$
868

 
$
776

 
$
509

 
$
1,135

Valuation Allowance on Deferred Tax Assets
 
$
9,013

 
$
70

 
$
—

 
$
9,083

2017
 
 
 
 
 
 
 
 
Allowance for Doubtful Accounts
 
$
495

 
$
334

 
$
(39
)
 
$
868

Valuation Allowance on Deferred Tax Assets
 
$
6,607

 
$
2,406

 
$
—

 
$
9,013

2016
 
 
 
 
 
 
 
 
Allowance for Doubtful Accounts
 
$
359

 
$
233

 
$
97

 
$
495

Valuation Allowance on Deferred Tax Assets
 
$
7,477

 
$
(870
)
 
$
—

 
$
6,607