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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2011
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS (in thousands)
|  | Balance at |  |  | Charged to |  |  |  |  |  |  |
|  | beginning of |  |  | costs and |  |  |  |  |  | Balance at |
|  | period |  |  | expenses |  |  | Write-offs |  |  | end of period |
Accounts receivable reserves: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended December 31, 2009 |  | $ | 4,204 |  |  | $ | 917 |  |  | $ | (2,771 | ) |  | $ | 2,350 |
Year ended December 31, 2010 |  |  | 2,350 |  |  |  | 710 |  |  |  | (1,047 | ) |  |  | 2,013 |
Year ended December 31, 2011 |  |  | 2,013 |  |  |  | 191 |  |  |  | (719 | ) |  |  | 1,485 |
|  |  |  |  |  |  |  | Exchange |  |  |  |
|  |  |  |  | Net additions |  |  | rate |  |  |  |
|  | Balance at |  |  | charged to |  |  | fluctuations |  |  |  |
|  | beginning of |  |  | income |  |  | and other |  |  | Balance at |
|  | period |  |  | (expense) |  |  | items |  |  | end of period |
Valuation allowance for deferred tax assets (As adjusted): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended December 31, 2009 |  | $ | 81,447 |  |  | $ | 2,333 |  |  | $ | (660 | ) |  | $ | 83,120 |
Year ended December 31, 2010 |  |  | 83,120 |  |  |  | (8,371 | ) |  |  | 191 |  |  |  | 74,940 |
Year ended December 31, 2011 |  |  | 74,940 |  |  |  | 1,059 |  |  |  | 2,212 |  |  |  | 78,211

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
Name: | us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration