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Schedule II-Valuation and Qualifying Accounts and Reserves Schedule II-Valuation and Qualifying Accounts and Reserves Schedule II-Valuation and Qualifying Accounts and Reserves Schedule II-Valuation and Qualifying Accounts and Reserves (Notes)
 12 Months Ended
Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract]  
Schedule II-Valuation and Qualifying Accounts and Reserves
Schedule II—Valuation and Qualifying Accounts and Reserves
Descriptions
 
Balance at
Beginning of
Period
 
Additions
Charged to
Costs and
Expenses
 
Deductions
 
Acquisitions and
Other
 
Balance at End
of Period
 
 
 
ALLOWANCE FOR DOUBTFUL ACCOUNTS:
 
 
 
 
 
 
 
 
 
 
Year ended December 31, 2013
 
$
9,470

 
$
7,148

 
$
(5,891
)
 
$
3,633

 
$
14,360

Year ended December 31, 2014
 
14,360

 
9,814

 
(9,184
)
 
4,436

 
19,426

Year ended December 31, 2015
 
19,426

 
13,654

 
(9,486
)
 
989

 
24,583

ALLOWANCE FOR ESTIMATED RETURNS, DISCOUNTS & ALLOWANCES:
 
 
 
 
 
 
 
 
 
 
Year ended December 31, 2013
 
$
24,692

 
$
797,380

 
$
(796,261
)
 
$
825

 
$
26,636

Year ended December 31, 2014
 
26,636

 
955,615

 
(961,658
)
 
10,695

 
31,288

Year ended December 31, 2015
 
31,288

 
1,049,987

 
(1,051,439
)
 
2,938

 
32,774