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Long-Term Debt - Schedule of Components of Long-Term Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
Long-term debt $ 124,567us-gaap_LongTermDebt $ 135,455us-gaap_LongTermDebt
Less: current portion (10,049)us-gaap_LongTermDebtCurrent (25,089)us-gaap_LongTermDebtCurrent
Non-current portion of long-term debt 114,518us-gaap_LongTermDebtNoncurrent 110,366us-gaap_LongTermDebtNoncurrent
Senior Credit Facilities    
Debt Instrument [Line Items]    
Long-term debt 74,567us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember		 66,084us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
7.75% Convertible notes due 2018    
Debt Instrument [Line Items]    
Long-term debt 50,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= tsys_ConvertibleNotesSevenPointSevenFivePercentDueTwentyEighteenMember		 50,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= tsys_ConvertibleNotesSevenPointSevenFivePercentDueTwentyEighteenMember
4.5% Convertible notes due 2014    
Debt Instrument [Line Items]    
Long-term debt   14,562us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember
Promissory notes payable to microDATA sellers    
Debt Instrument [Line Items]    
Long-term debt   $ 4,809us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= tsys_MicroDataPromissoryNoteMember