XML 42 R26.htm IDEA: XBRL DOCUMENT v3.10.0.1
Schedule II- Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2018
Valuation and Qualifying Accounts Disclosure [Line Items]  
Schedule II- Valuation and Qualifying Accounts
VALUATION AND QUALIFYING ACCOUNTS
(in thousands)

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Description
Balance at
Beginning of
Year
 
Provision (Benefit)
for
Doubtful
Accounts
 
Write-offs,
Net of
Recoveries
 
Balance at
End of Year
Allowance for doubtful accounts:
 
 
 
 
 
 
 
2018
$
30,600

 
6,527

 
(4,433
)
 
$
32,694

2017
$
54,742

 
(6,711
)
 
(17,431
)
 
$
30,600

2016
$
67,057

 
8,203

 
(20,518
)
 
$
54,742

 
 
 
 
 
 
 
 
Description
Balance at
Beginning of
Year
 
Additions
 
Deductions
 
Balance at
End of Year
Deferred income tax asset valuation allowance:
 
 
 
 
 
 
 
2018
$
3,390,467

 
201,282

 
(947,850
)
 
$
2,643,899

2017
$
3,286,723

 
112,543

 
(8,799
)
 
$
3,390,467

2016
$
3,330,878

 
32,130

 
(76,285
)
 
$
3,286,723