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Schedule II Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract]  
Schedule II Valuation and Qualifying Accounts
SCHEDULE II
VALUATION AND QUALIFYING ACCOUNTS
 
 
 
Additions
 
 
 
 
 
 

Balance at
Beginning of Period (1)
 
Charged to
Costs and Expenses (2)
 
Debited (credited) to
Other Accounts (3)
 
Amount
Written Off (4)
 
Acquisition and translation adjustments (5)
 
Balance at
End of Period (1)
 
(In thousands)
Year ended December 31, 2015
 
 
 
 
 
 
 
 
 
 
 
Accounts receivable
$
1,206

 
$
453

 
$
28

 
$
(447
)
 
$
—

 
$
1,240

Investment in sales-type leases
162

 
(99
)
 
106

 
—

 
—

 
169

Total allowances deducted from assets
$
1,368

 
$
354

 
$
134

 
$
(447
)
 
$
—

 
$
1,409

Year ended December 31, 2016
 
 
 
 
 
 
 
 
 
 
 
Accounts receivable
$
1,240

 
$
727

 
$
77

 
$
(369
)
 
$
3,121

 
$
4,796

Investment in sales-type leases
169

 
85

 
—

 
—

 
—

 
254

Total allowances deducted from assets
$
1,409

 
$
812

 
$
77

 
$
(369
)
 
$
3,121

 
$
5,050

Year ended December 31, 2017
 
 
 
 
 
 
 
 
 
 
 
Accounts receivable
$
4,796

 
$
1,008

 
$
3

 
$
(402
)
 
$
333

 
$
5,738

Investment in sales-type leases
254

 
(62
)
 
—

 
—

 
—

 
192

Total allowances deducted from assets
$
5,050

 
$
946

 
$
3

 
$
(402
)
 
$
333

 
$
5,930

__________________________________________________
(1) 
Allowance for doubtful accounts.
(2) 
Represents amounts charged to bad debt expense, increasing the allowance.
(3) 
Represents amounts debited to trade accounts receivable as recoveries, increasing the allowance.
(4) 
Represents amounts written-off from the allowance and trade accounts receivable.
(5)
Represents primarily purchase price adjustments and minor foreign currency translation adjustments.