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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
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Dec. 31, 2010
Allowance for doubtful accounts and revenue reserves
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Dec. 31, 2009
Allowance for doubtful accounts and revenue reserves
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Dec. 31, 2011
Sales returns accrual
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Dec. 31, 2010
Sales returns accrual
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Dec. 31, 2009
Sales returns accrual
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Dec. 31, 2011
Deferred tax valuation allowance
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Dec. 31, 2010
Deferred tax valuation allowance
investment
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Dec. 31, 2009
Deferred tax valuation allowance
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Dec. 31, 2011
Other reserves
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Dec. 31, 2010
Other reserves
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Dec. 31, 2009
Other reserves
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Dec. 31, 2008
Other reserves
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| 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 | ||||||||||||