v2.4.0.6

Schedule II - VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |  |  |
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Dec. 31, 2011 Allowance for doubtful accounts and revenue reserves | Dec. 31, 2010 Allowance for doubtful accounts and revenue reserves | Dec. 31, 2009 Allowance for doubtful accounts and revenue reserves | Dec. 31, 2011 Sales returns accrual | Dec. 31, 2010 Sales returns accrual | Dec. 31, 2009 Sales returns accrual | Dec. 31, 2011 Deferred tax valuation allowance | Dec. 31, 2010 Deferred tax valuation allowance investment | Dec. 31, 2009 Deferred tax valuation allowance | Dec. 31, 2011 Other reserves | Dec. 31, 2010 Other reserves | Dec. 31, 2009 Other reserves | Dec. 31, 2008 Other reserves
Description |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Beginning of Period | $ 8,848 | $ 10,515 | $ 10,293 | $ 913 | $ 873 | $ 794 | $ 40,266 | $ 35,331 | $ 39,515 | $ 2,119 | $ 1,555 | $ 2,666 | $ 3,079
Charges to Earnings | 8,898 | 9,013 | 10,361 | 107 | 40 | 79 | 5,732 | 4,511 | (1,728) |  |  |  |
Charges to Other Accounts | (329) | 81 | (520) |  |  |  | (914) | 424 | (2,456) |  |  |  |
Deductions | (10,108) | (10,761) | (9,619) |  |  |  |  |  |  |  |  |  |
Balance at End of Period | $ 7,309 | $ 8,848 | $ 10,515 | $ 1,020 | $ 913 | $ 873 | $ 45,084 | $ 40,266 | $ 35,331 | $ 2,119 | $ 1,555 | $ 2,666 | $ 3,079
Number of investments with impairment charge included in deferred tax valuation allowance |  |  |  |  |  |  |  | 1 |  |  |  |  |

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- Definition Represents the number of equity investments whose impairment charges are reflected in the deferred tax valuation allowance. + References No definition available. + Details
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + 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
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to accounts other than costs and expenses in a given period. + 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
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- Definition Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively. + 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
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