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Additions Capitalized costs related to internal use software Capitalized Computer Software Amortization Amortization expense related to internal use software Capitalized Computer Software Gross Capitalized software Capital Leased Assets Gross Capital Leased Assets Capital Leased Assets [Line Items] Capital Leased Assets [Line Items] Capital Lease Obligations Current Capital lease obligations Less: current portion Capital Lease Obligations Incurred Capital lease obligations, computer hardware Capital Lease Obligations Noncurrent Capital lease obligation, long-term Capital lease obligations, long-term Capital Leases Balance Sheet Assets By Major Class Net Net assets under capital leases Capital Leases Future Minimum Payments Due Total minimum lease payments Capital Leases Future Minimum Payments Due Current 2012 Capital Leases Future Minimum Payments Due In Three Years 2014 Capital Leases Future Minimum Payments Due In Two Years 2013 Capital Leases Future Minimum Payments Interest 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