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Financial instruments and derivatives - Carrying Amounts and Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Carrying Amount
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Long-term debt, net of current portion	$ 3,035,868	$ 2,719,783
Fair Value
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Long-term debt, net of current portion	$ 2,890,009	$ 2,477,884

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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.

+ Details

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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- Details

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