v2.4.0.8

Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Revenue Recognition |  |  |
Period of service contract under consumer rental program | 24 months |  |
Advertising Costs |  |  |
Advertising Expenses | $ 47.4 | $ 47.0 | $ 27.8
Capitalized Software Costs |  |  |
Net carrying amount of externally marketed software | 31.4 | 15.9 |
Amortization expense relating to externally marketed software | 1.7 | 0.3 |
Amount of transfers between levels within the fair value hierarchy | 0 | 0 |
Level 2 |  |  |
Fair value measurements |  |  |
Orbital incentive obligations | $ 48.4 | $ 30.0 |
Minimum |  |  |
Other Investments Securities - Cost and Equity Method |  |  |
Ownership percentage of voting securities in investments that are accounted for under the equity method of accounting | 20.00% |  |
Property and equipment |  |  |
Useful life | 1 year |  |
Finite-Lived Intangible Assets |  |  |
Useful life | 1 year |  |
Maximum |  |  |
Property and equipment |  |  |
Useful life | 40 years |  |
Finite-Lived Intangible Assets |  |  |
Useful life | 30 years |  |
Capitalized Software Costs |  |  |
Software useful life | 5 years |  |

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