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COMMITMENTS AND CONTINGENCIES (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Leases |  |  |  |
2014 | $ 2,503,000 |  |  |
2015 | 2,516,000 |  |  |
2016 | 1,154,000 |  |  |
Future minimum lease payments | 6,173,000 |  |  |
Rent expense |  |  |  |
Rent expense | 2,400,000 | 6,300,000 | 13,800,000 |
Third Party Commissions |  |  |  |
Accrued commissions | 100,000 | 100,000 |  |
Accrued commissions released to cost of net sales |  | 500,000 |  |
Revenue recognized related to security agreements | 0 | 0 | 0 |
Deferred revenue related to contracts covered by security agreements | 10,200,000 | 9,800,000 | 5,300,000 |
Deferred costs related to contracts covered by security agreements | 5,300,000 | 6,100,000 | 4,100,000 |
Letter of credit: |  |  |  |
Outstanding letters of credit | 14,700,000 |  |  |
Outstanding purchase commitments, including agreements that are non-cancelable and cancelable without penalty | 22,700,000 |  |  |
Intellectual Property |  |  |  |
Claims made for valid enforceable IP | 0 |  |  |
Uncertain Tax Positions |  |  |  |
Gross unrecognized tax benefits | 45,430,000 | 54,012,000 | 55,650,000 | 56,513,000
Unrecognized tax benefits that would impact the annual effective tax rate if recognized | 10,019,000 | 12,298,000 | 13,554,000 |
Unrecognized tax benefits related to deferred tax assets and federal tax benefit of state income tax items | $ 35,400,000 |  |  |

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