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International Business Machines Corporation Information Technology Outsourcing Agreement - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 1 Months Ended
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Dec. 31, 2012 | Mar. 17, 2008 Outsourcing Agreement
Information Technology Outsourcing Agreement [Line Items] |  |
Initial term of outsourcing agreement with IBM |  | 7 years
Services agreement, termination fee | $ 3.0 |
Services agreement, effective termination date | Jan. 31, 2013 |
Transition services completion period |  | 21 months
Transition services cost, recognized | 6.7 |
Payment for transition services cost | 6.5 |
Transition services lability forgiven | $ 0.2 |

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- Definition Initial Term Of Contract + References No definition available. + Details
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- Definition Termination date of the IBM Outsourcing Agreement. + References No definition available. + Details
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- Definition Amount of transition service costs paid to date. + References No definition available. + Details
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- Definition Period from the effective date of the outsourcing agreement from which the transition services were completed. + References No definition available. + Details
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