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Cash flow information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest, net*	$ 83,118	$ 91,165	$ 88,681
Income taxes paid, net**	26,503	71,079	65,536
AFUDC borrowed	2,200	2,800	2,600
Property, plant and equipment additions in accounts payable	49,602	57,605	26,082
Right-of-use assets obtained in exchange for new operating lease liabilities	50,921	55,987	54,356
Debt assumed in connection with a business combination	0	10	0
Accrual for holdback payment related to a business combination	70	0	2,500
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	7,304	0	0
Continuing and discontinued operations
Income taxes paid, net**	$ 26,400	$ 70,900	$ 59,400

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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