XO Communications 2010 Annual Report Download - page 89

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XO Holdings, Inc.
Schedule II
Valuation and Qualifying Accounts
For The Years Ended December 31, 2010, 2009 and 2008
(in thousands)
Additions
Beginning
Balance
Charged to
costs and
expenses
Charged to
other
accounts Deductions Ending
Balance
Allowance for doubtful accounts
2008 ..................... $10,116 $13,271 $— $(13,660) $ 9,727
2009 ..................... $9,727 $12,891 $— $(11,566) $11,052
2010 ..................... $11,052 $10,932 $— $(14,745) $ 7,239
All other valuation accounts are omitted because the required information is shown in the Notes to our
consolidated financial statements.
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