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Credit Facilities (Narrative) (Details) (USD $)
0 Months Ended
Dec. 30, 2014
Mar. 31, 2015
Mar. 31, 2014
Debt Instrument [Line Items]      
Five-year revolving credit facility 430,000,000us-gaap_LineOfCredit    
Additional borrowings under present credit agreement 100,000,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity    
Outstanding uncommitted lines of credit   59,862,000us-gaap_ShortTermBorrowings 62,905,000us-gaap_ShortTermBorrowings
Weighted average interest rates on short-term borrowings outstanding   2.70%us-gaap_ShortTermDebtWeightedAverageInterestRate 3.50%us-gaap_ShortTermDebtWeightedAverageInterestRate
Prime Rate Or One Month Libor [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_VariableRateAxis
= uvv_PrimeRateOrOneMonthLiborMember
   
Federal Funds Rate [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 0.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_VariableRateAxis
= uvv_FederalFundsRateMember
   
Uncommitted lines of credit [Member]      
Debt Instrument [Line Items]      
Outstanding uncommitted lines of credit   60,000,000us-gaap_ShortTermBorrowings
/ us-gaap_DebtInstrumentAxis
= uvv_UncommittedLinesOfCreditMember
63,000,000us-gaap_ShortTermBorrowings
/ us-gaap_DebtInstrumentAxis
= uvv_UncommittedLinesOfCreditMember
Unused lines of Credit [Member]      
Debt Instrument [Line Items]      
Outstanding uncommitted lines of credit   $ 328,000,000us-gaap_ShortTermBorrowings
/ us-gaap_DebtInstrumentAxis
= us-gaap_UnusedLinesOfCreditMember