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Debt - Narrative (Details)
Mar. 06, 2020
USD ($)
Apr. 16, 2020
USD ($)
Line of Credit | Energy Services | Energy Services Credit Agreement    
Debt Instrument [Line Items]    
Maximum borrowing capacity $ 260,000,000  
Line of credit facility accordion feature increase limit $ 325,000,000  
Debt interest rate floor 1.00%  
Debt instrument, covenant, total indebtedness to EBITDA ratio, maximum 4.00  
Debt instrument covenant EBITDA to interest expense ratio maximum 3.50  
Senior Notes | UGI Utilities | 3.12% Senior Notes due April 2050    
Debt Instrument [Line Items]    
Debt instrument, face amount   $ 150,000,000
Stated interest rate   3.12%
Debt instrument, covenant, consolidated debt to consolidated total capital   0.65
Minimum | Line of Credit | Energy Services | Energy Services Credit Agreement    
Debt Instrument [Line Items]    
Basis spread on variable rate 0.75%  
Maximum | Line of Credit | Energy Services | Energy Services Credit Agreement    
Debt Instrument [Line Items]    
Basis spread on variable rate 2.75%  
Letter of Credit | Line of Credit | Energy Services | Energy Services Credit Agreement    
Debt Instrument [Line Items]    
Maximum borrowing capacity $ 50,000,000  
Fed Funds Effective Rate Overnight Index Swap Rate | Line of Credit | Energy Services | Energy Services Credit Agreement    
Debt Instrument [Line Items]    
Basis spread on variable rate 0.50%  
London Interbank Offered Rate (LIBOR) | Line of Credit | Energy Services | Energy Services Credit Agreement    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.00%  
Alternate Rate and Adjusted LIBOR | Minimum | Line of Credit | Energy Services | Energy Services Credit Agreement    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.50%  
Alternate Rate and Adjusted LIBOR | Maximum | Line of Credit | Energy Services | Energy Services Credit Agreement    
Debt Instrument [Line Items]    
Basis spread on variable rate 2.50%