Schedule II (Details) (Allowance for Doubtful Accounts and Sales Returns, 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 and Sales Returns
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Movement in Valuation Allowances and Reserves [Roll Forward] | ||||||||||||
Balance at the Beginning of Year | $ 5,003 | $ 4,761 | $ 5,597 | |||||||||
Expenses and Other Costs | 1,901 | [1] | 2,353 | [1] | 2,776 | [1] | ||||||
Revenue Reductions | 2,727 | [2] | 4,433 | [2] | 1,635 | [2] | ||||||
Deduction | (4,513) | [3] | (6,544) | [3] | (5,247) | [3] | ||||||
Balance at End of Year | $ 5,118 | $ 5,003 | $ 4,761 | |||||||||
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