v2.4.1.9
Accounts Receivable and Reserves for Credit Losses (Tables)
 12 Months Ended
Dec. 31, 2014
Receivables [Abstract]  
Changes in Reserves for Credit Losses Related to Accounts Receivable
The following table presents changes in reserves for credit losses related to accounts receivable:
 
Year ended December 31,
  
2014
 
2013
 
2012
Balance, beginning of period
$
10,396

 
$
11,709

 
$
11,526

Provision for credit losses
32,144

 
20,200

 
22,539

Charge-offs
(35,302
)
 
(27,781
)
 
(27,961
)
Recoveries of amounts previously charged-off
6,832

 
6,663

 
5,605

Currency translation
(151
)
 
(395
)
 
—

Balance, end of period
$
13,919

 
$
10,396

 
$
11,709