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Schedule II--Schedule of Valuation and Qualifying Accounts (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Allowance for doubtful accounts [Member]
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| Movement in Valuation Allowances and Reserves [Roll Forward] | |||
| Beginning balance | $ 11,711 | $ 9,932 | $ 10,222 |
| Charged to Expenses (Benefit) | 39,016 | 34,548 | 33,164 |
| Write-offs/ Payments/ Other | (41,649) | (32,769) | (33,454) |
| Ending balance | 9,078 | 11,711 | 9,932 |
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Deferred tax assets—valuation allowance [Member]
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| Movement in Valuation Allowances and Reserves [Roll Forward] | |||
| Beginning balance | 9,835 | 3,360,740 | 3,551,288 |
| Charged to Expenses (Benefit) | (4,228) | (3,195,651) | (166,452) |
| Write-offs/ Payments/ Other | 2,224 | (155,254) | (24,096) |
| Ending balance | $ 7,831 | $ 9,835 | $ 3,360,740 |
| X | ||||||||||
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- Definition
Valuation Allowances and Reserves, Charged to Cost and Expense (Benefit) No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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