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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
COGNEX CORPORATION – SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS
 
 
 
 
Additions
 
 
 
 
 
 
Description
 
Balance at
Beginning
of Period
 
Charged to
Costs and
Expenses
 
Charged
to Other
Accounts
 
Deductions
 
Other
 
Balance at
End of
Period
 
 
(In thousands)
Reserve for Uncollectible Accounts Receivable:
 
 
 
 
 
 
 
 
 
 
 
 
2015
 
$
820

 
$
—

 
$
—

 
$
(44
)
(a) 
$
(40
)
(b) 
$
736

2014
 
$
909

 
$
—

 
$
—

 
$
(32
)
(a) 
$
(57
)
(b) 
$
820

2013
 
$
751

 
$
199

 
$
—

 
$
(56
)
(a) 
$
15

(b) 
$
909

Reserve for Excess and Obsolete Inventory:
 
 
 
 
 
 
 
 
 
 
 
 
2015
 
$
5,058

 
$
1,562

 
$
—

 
$
(2,443
)
(a) 
$
(374
)
(c) 
$
3,803

2014
 
$
4,301

 
$
3,204

 
$
—

 
$
(1,978
)
(a) 
$
(469
)
(c) 
$
5,058

2013
 
$
3,030

 
$
1,985

 
$
—

 
$
(834
)
(a) 
$
120

(c) 
$
4,301

Deferred Tax Valuation Allowance:
 
 
 
 
 
 
 
 
 
 
 
 
2015
 
$
2,483

 
$
817

 
$
—

 
$
—

 
$
(41
)
 
$
3,259

2014
 
$
1,758

 
$
725

 
$
—

 
$
—

  
$
—

 
$
2,483

2013
 
$
1,489

 
$
642

 
$
—

 
$
(373
)
  
$
—

 
$
1,758

(a)
Specific write-offs
(b)
Collections of previously written-off accounts and foreign currency exchange rate changes
(c)
Foreign currency exchange rate changes