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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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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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Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

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Indebtedness (Narrative) (Details) € in Millions			6 Months Ended
Indebtedness (Narrative) (Details) € in Millions	Jan. 24, 2025 USD ($)	Jan. 24, 2025 EUR (€)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 EUR (€)	Dec. 31, 2024 USD ($)	Jan. 25, 2019
Debt Instrument [Line Items]
Repayments of debt			$ 367,500,000	$ 1,700,000
Letters of credit outstanding			14,000,000			$ 13,200,000
Other Short-Term Borrowings
Debt Instrument [Line Items]
Short-term debt outstanding			134,100,000			90,400,000
1.002% EIB Senior term loan due 2025 \| Senior Notes
Debt Instrument [Line Items]
Interest rate percentage	1.002%	1.002%					1.002%
Repayments of debt	$ 262,300,000	€ 250.0
Revolving Credit Facility \| 1.25 Billion Multi-Currency Unsecured Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity			1,250,000,000
Line of credit amount outstanding			375,000,000
Remaining borrowing capacity			875,000,000
Revolving Credit Facility \| Uncommitted Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity			234,300,000		€ 200.0
Line of credit amount outstanding			$ 0			$ 0