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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
SCHEDULE II
VALUATION AND QUALIFYING ACCOUNTS
(In thousands)

Description
Balance at
 Beginning
 of Period
 
Charged to
 Costs and
 Expenses
 
Deductions
 
Balance at
 End of
 Period
Allowance for doubtful accounts deducted from accounts receivable in the balance sheet
 

 
 

 
 

 
 

December 31, 2015
$
2,286

 
3,075

 
2,018

(1) 
$
3,343

December 31, 2014
1,224

 
1,743

 
681

(1) 
2,286

December 31, 2013
2,938

 
(191
)
 
1,523

(1) 
1,224

Allowance for obsolete and slow moving inventory deducted from inventories in the balance sheet
 

 
 

 
 

 
 

December 31, 2015
$
11,500

 
4,286

 
5,976

(2) 
$
9,810

December 31, 2014
5,871

 
8,896

 
3,267

(2) 
11,500

December 31, 2013
4,107

 
3,904

 
2,140

(2) 
5,871

Allowance for deferred tax assets not expected to be realized
 

 
 

 
 

 
 

December 31, 2015
633

 
—

 
—

 
633

December 31, 2014
633

 
—

 
—

 
633

December 31, 2013
633

 
—

 
—

 
633


(1) 
Uncollectible accounts written off.

(2) 
Obsolete inventory written off at cost of value received.