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Financial Instruments (Interest Rate Swaps) (Details) - Designated as Hedging Instrument - Interest Rate Swap - USD ($) $ in Millions | Mar. 31, 2024 | Mar. 31, 2023
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Derivative [Line Items] |  |
Notional amount | $ 1,700.0 | $ 1,700.0
Interest Rate Swap, Fixed Rate Paid 2.915%, Effective Date May 23, 2018 |  |
Derivative [Line Items] |  |
Notional amount | $ 300.0 | $ 300.0
Fixed interest rate | 2.915% | 2.915%
Interest Rate Swap 2, Fixed Rate Paid 2.915%, Effective Date May 23, 2018 |  |
Derivative [Line Items] |  |
Notional amount | $ 700.0 | $ 700.0
Fixed interest rate | 2.915% | 2.915%
Interest Rate Swap, Fixed Rate Paid 2.723%, Effective Date June 25, 2018 |  |
Derivative [Line Items] |  |
Notional amount | $ 200.0 | $ 200.0
Fixed interest rate | 2.723% | 2.723%
Interest Rate Swap, Fixed Rate Paid 2.885%, Effective Date July 31, 2018 |  |
Derivative [Line Items] |  |
Notional amount | $ 300.0 | $ 300.0
Fixed interest rate | 2.885% | 2.885%
Interest Rate Swap, Fixed Rate Paid 2.744%, Effective Date December 24, 2018 |  |
Derivative [Line Items] |  |
Notional amount | $ 50.0 | $ 50.0
Fixed interest rate | 2.744% | 2.744%
Interest Rate Swap, Fixed Rate Paid 2.808%, Effective Date December 24, 2018 |  |
Derivative [Line Items] |  |
Notional amount | $ 100.0 | $ 100.0
Fixed interest rate | 2.808% | 2.808%
Interest Rate Swap, Fixed Rate Paid 2.728%, Effective Date December 24, 2018 |  |
Derivative [Line Items] |  |
Notional amount | $ 50.0 | $ 50.0
Fixed interest rate | 2.728% | 2.728%

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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480237/815-40-50-5 + Details
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