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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
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Dec. 31, 2010
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Dec. 31, 2009
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Allowance for Doubtful Accounts [Member]
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| Valuation allowances and reserves [Roll Forward] | ||||||||||||
| Balance at Beginning of Period | $ 10,898 | $ 8,230 | $ 10,376 | |||||||||
| Charges of Costs, Expenses and Other | 6,440 | 4,666 | 6,877 | |||||||||
| Write-off of Accounts Receivable | (243) | (2,342) | (8,676) | |||||||||
| Other | (109) | [1] | 344 | [1] | (347) | [2] | ||||||
| Balance at End of Period | 16,986 | 10,898 | 8,230 | |||||||||
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Deferred Tax Asset Valuation Allowance [Member]
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| Valuation allowances and reserves [Roll Forward] | ||||||||||||
| Balance at Beginning of Period | 311,137 | 191,761 | 180,792 | |||||||||
| Charges of Costs, Expenses and Other | 7,412 | [3] | 55,269 | [3] | 17,848 | [3] | ||||||
| Deletions | 0 | 0 | 0 | |||||||||
| Other | 5,717 | [3] | 64,107 | [3] | (6,879) | [3] | ||||||
| Balance at End of Period | $ 324,266 | $ 311,137 | $ 191,761 | |||||||||
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