Outstanding Debentures with Put Option that can be exercised at the holders option

No definition available.

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- Definition

Amount of debt and lease obligation, classified as current.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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- Definition

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

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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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 and Credit Facilities (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Nov. 30, 2025	Feb. 28, 2025	Dec. 31, 2024
Proceeds from long-term debt	$ 0.0	$ 498.5
Long-term debt excluding current maturities	3,920.4				$ 4,318.1
Short-term borrowings and current maturities of long-term debt	694.6				452.2
Repayments of Long-term Debt	157.3	$ 7.5
Debt Instrument, Fair Value Disclosure	4,500.0				4,600.0
Commercial Paper [Member]
Short-term borrowings and current maturities of long-term debt					0.0
Debentures With Put Feature [Member]
Short-term borrowings and current maturities of long-term debt	295.0				295.0
Debentures with put option available to be exercised			$ 257.8	$ 37.2
Three Point Five Percent Senior notes Due Two Thousand Twenty Six [Member]
Long-term debt excluding current maturities	$ 0.0				$ 399.4
Debt Instrument, Interest Rate, Stated Percentage	3.50%				3.50%
Three Point Eight Percent Senior Notes Due Two Thousand Twenty Nine [Member]
Long-term debt excluding current maturities	$ 747.5				$ 747.1
Debt Instrument, Interest Rate, Stated Percentage	3.80%				3.80%
Four Point Five Percent Senior Notes Due Two Thousand Forty Nine [Member]
Long-term debt excluding current maturities	$ 346.4				$ 346.3
Debt Instrument, Interest Rate, Stated Percentage	4.50%				4.50%
5.75% Senior notes due 2043 [Member]
Long-term debt excluding current maturities	$ 495.8				$ 495.7
Debt Instrument, Interest Rate, Stated Percentage	5.75%				5.75%
Four Point Six Five Percent Senior Notes due Twenty Forty Four [Member]
Long-term debt excluding current maturities	$ 296.8				$ 296.7
Debt Instrument, Interest Rate, Stated Percentage	4.65%				4.65%
Commercial Paper [Member]
Line of credit facility, amount outstanding	$ 2,000.0
Revolving Credit Facility [Member]
Line of Credit Facility, Remaining Borrowing Capacity	2,000.0				$ 2,000.0
2026 Revolving Credit Facility
Line of credit facility, amount outstanding	1,000.0
2027 Revolving Credit Facility
Line of credit facility, amount outstanding	$ 1,000.0