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SCHEDULE II--Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2016
Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II--Valuation and Qualifying Accounts
SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS
(in thousands)
 
Balance at Beginning of Period
 
Additions, Costs and Expenses
 
Deductions, Write-offs
 
Other (1)
 
Balance at End of Period
Allowance For Doubtful Accounts:
 
 
 
 
 
 
 
 
 
Year Ended December 31, 2014
$
5,594

 
$
165

 
$
(1,840
)
 
$
—

 
$
3,919

Year Ended December 31, 2015
$
3,919

 
$
5,073

 
$
(5,212
)
 
$
—

 
$
3,780

Year Ended December 31, 2016
$
3,780

 
$
6,515

 
$
(3,339
)
 
$
—

 
$
6,956

Valuation Allowance For Deferred Tax Assets:
 
 
 
 
 
 
 
 
 
Year Ended December 31, 2014
$
18,773

 
$
4,618

 
$
(3,799
)
 
$
21,054

 
$
40,646

Year Ended December 31, 2015
$
40,646

 
$
386,087

 
$
(17,106
)
 
$
17,364

 
$
426,991

Year Ended December 31, 2016
$
426,991

 
$
4,416,478

 
$
(2,039
)
 
$
(221
)
 
$
4,841,209

__________
(1)
Represents opening balances of businesses acquired in the period.
All other financial statement schedules have been omitted because they are not applicable or the required information is included in the Consolidated Financial Statements or notes thereto.
3. Exhibits: The information called for by this Item is incorporated by reference to the Exhibit Index of this Report.