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Other Receivables and Current Assets
 12 Months Ended
Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Receivables and Current Assets
Other Receivables and Current Assets
The Company's other receivables and current assets comprise the following balances:
(in thousands)
December 31,
2015
 
December 31,
2014
Receivables related to unrecognized revenue
$
170,186

 
$
152,830

Income taxes receivable, including overpayments and refunds
7,877

 
18,276

Prepaid expenses and other current assets
22,170

 
21,202

Total other receivables and current assets
$
200,233

 
$
192,308


Receivables for unrecognized revenue represent the current portion of billings made for annual lease licenses and software maintenance that have not yet been recognized as revenue.