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Summary of Quarterly Results of Operations (Parenthetical) (Detail) (One Time Subscriber Based Revenue Adjustment, USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
One Time Subscriber Based Revenue Adjustment
  
Quarterly Results Of Operations [Line Items]  
One-time favorable change in estimate recognized $ 4,700tsys_ChangesInEstimateAssociatedWithPriorPeriodSales
/ us-gaap_EffectOfFourthQuarterEventsByTypeAxis
= tsys_OneTimeSubscriberBasedRevenueAdjustmentMember