Debt Covenant, Debt to EBITDA Ratio, Maximum

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- Definition

Debt Covenant, Interest Coverage Ratio, Minimum

+ References

No definition available.

+ Details

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- Definition

Debt Covenant, Leverage Ratio, Maximum

+ References

No definition available.

+ Details

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- Definition

Debt Covenant, Total Debt to Total Capitalization Ratio, Maximum

+ References

No definition available.

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- Definition

Debt Instrument, Debt Covenant, Debt to EBITDA Ratio, Number of Quarters

+ References

No definition available.

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- Definition

Debt Instrument, Debt Covenant, EBITDA to Interest Calculation, Number of Quarters

+ References

No definition available.

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- Definition

Debt Instrument, Number of Financial Covenants

+ References

No definition available.

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- Definition

Debt to EBITDA Ratio

+ References

No definition available.

+ Details

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- Definition

Early prepayment rate - prepayments prior to July 3, 2018 must be at this rate

+ References

No definition available.

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- Definition

Interest Coverage Ratio

+ References

No definition available.

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- Definition

Leverage Ratio

+ References

No definition available.

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- Definition

After separation required compliance with the financial covenant, shall be suspended from 1/1/17 to 12/31/17 if during such time DP&L's LT indebtedness (as determined by the PUCO) is less than or equal to $750.0 million.

+ References

No definition available.

+ Details

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- Definition

Make Whole Premium

+ References

No definition available.

+ Details

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- Definition

Standard Repayment Rate - Repayment rate after July 31, 2018

+ References

No definition available.

+ Details

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Debt (Narrative) (Details) $ in Millions		6 Months Ended				9 Months Ended		12 Months Ended
Debt (Narrative) (Details) $ in Millions	Sep. 30, 2018 USD ($) fiscal_quarter debt_covenant	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018	Jul. 03, 2018	Sep. 30, 2018 USD ($) fiscal_quarter debt_covenant	Sep. 30, 2017 USD ($)	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Sep. 30, 2018 USD ($) fiscal_quarter debt_covenant	Apr. 30, 2018 USD ($)	Mar. 30, 2018 USD ($)	Jan. 03, 2018	Dec. 31, 2017 USD ($)	Aug. 03, 2015 USD ($)
Debt Instrument [Line Items]
Long-term Line of Credit	$ 0.0					$ 0.0					$ 0.0
Retirement of long-term debt						$ 239.4	$ 122.1
Debt to EBITDA Ratio	5.34
Long Term Indebtedness, Less than or Equal to							750.0				$ 750.0
Debt Covenant, Leverage Ratio, Maximum						0.67
Debt Covenant, Interest Coverage Ratio, Minimum						2.50
Leverage Ratio						1.51
Debt Covenant, Total Debt to Total Capitalization Ratio, Maximum						0.65					0.75
Interest Coverage Ratio	2.76
THE DAYTON POWER AND LIGHT COMPANY [Member]
Debt Instrument [Line Items]
Long-term Line of Credit	$ 0.0					$ 0.0					$ 0.0				$ 10.0
Long-term Debt, Gross	594.9					594.9					594.9
Retirement of long-term debt						$ 63.3	103.3
Long Term Indebtedness, Less than or Equal to							$ 750.0				$ 750.0
Debt Covenant, Interest Coverage Ratio, Minimum						2.50
Debt Covenant, Total Debt to Total Capitalization Ratio, Maximum						0.65					0.75
Senior unsecured due in October 2019 - 6.75% [Member]
Debt Instrument [Line Items]
Extinguishment of Debt, Amount						$ 101.0
Long-term Debt, Gross	$ 99.0					$ 99.0					$ 99.0		$ 200.0		200.0
Make Whole Premium												$ 5.1
Debt instrument interest percentage	6.75%					6.75%					6.75%
Variable Rate Notes Backed by Term Loan and First Mortgage Bonds [Member]
Debt Instrument [Line Items]
Extinguishment of Debt, Amount						$ 60.0
Variable Rate Notes Backed by Term Loan and First Mortgage Bonds [Member] \| THE DAYTON POWER AND LIGHT COMPANY [Member]
Debt Instrument [Line Items]
Extinguishment of Debt, Amount						60.0
Long-term Debt, Gross	$ 140.0					140.0					$ 140.0				200.0
Debt Instrument, Face Amount																$ 200.0
Bank term loan due in July 2020 - rates from: 2.44% - 2.45% [Member]
Debt Instrument [Line Items]
Extinguishment of Debt, Amount						70.0
Long-term Debt, Gross															70.0
Term Loan Maturing 2022 [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	437.2					437.2					437.2				440.6
Early prepayment rate					101.00%
Term Loan Maturing 2022 [Member] \| THE DAYTON POWER AND LIGHT COMPANY [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 437.2					$ 437.2					$ 437.2				$ 440.6
Early prepayment rate					101.00%
Revolving Credit Agreement and Standby Letters of Credit [Member]
Debt Instrument [Line Items]
Number of financial covenants \| debt_covenant	2					2					2
Revolving Credit Agreement and Standby Letters of Credit [Member] \| THE DAYTON POWER AND LIGHT COMPANY [Member]
Debt Instrument [Line Items]
Number of financial covenants \| debt_covenant	2					2					2
Number of prior quarters included in EBITDA to interest calculation \| fiscal_quarter	4					4					4
Debt Covenant, Interest Coverage Ratio, Minimum						2.50
Interest Coverage Ratio	7.35
DPL Revolving Credit Agreement and Term Loan Maturing July 2020 [Member]
Debt Instrument [Line Items]
Number of financial covenants \| debt_covenant	2					2					2
Number of prior quarters included in EBITDA to interest calculation \| fiscal_quarter	4					4					4
Number of prior quarters included in debt to EBITDA ratio \| fiscal_quarter	4					4					4
Base Rate Term Loan B [Member]
Debt Instrument [Line Items]
Debt instrument interest percentage														1.00%	2.25%
Base Rate Term Loan B [Member] \| THE DAYTON POWER AND LIGHT COMPANY [Member]
Debt Instrument [Line Items]
Debt instrument interest percentage														1.00%	2.25%
Eurodollar rate Term Loan B [Member]
Debt Instrument [Line Items]
Debt instrument interest percentage														2.00%	3.25%
Eurodollar rate Term Loan B [Member] \| THE DAYTON POWER AND LIGHT COMPANY [Member]
Debt Instrument [Line Items]
Debt instrument interest percentage														2.00%	3.25%
Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Covenant, Debt to EBITDA Ratio, Maximum		6.75	7.00					6.50		7.25
Debt Covenant, Interest Coverage Ratio, Minimum									2.25	2.10
Subsequent Event [Member] \| Term Loan Maturing 2022 [Member]
Debt Instrument [Line Items]
Standard Repayment Rate				100.00%
Subsequent Event [Member] \| Term Loan Maturing 2022 [Member] \| THE DAYTON POWER AND LIGHT COMPANY [Member]
Debt Instrument [Line Items]
Standard Repayment Rate				100.00%