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Other Current Assets
9 Months Ended
Sep. 30, 2011
Other Current Assets [Abstract] 
Other Current Assets
5. Other Current Assets

The Company reports accounts receivable, related to the portion of annual lease licenses and software maintenance that has not yet been recognized as revenue, as a component of other receivables and current assets. These amounts totaled $68.3 million and $89.9 million as of September 30, 2011 and December 31, 2010, respectively.

The Company reports income taxes receivable, including amounts related to overpayments and refunds, as a component of other receivables and current assets. These amounts totaled $51.0 million and $32.9 million as of September 30, 2011 and December 31, 2010, respectively.