Supplemental Cash Flow Information

9 Months Ended

Sep. 30, 2021

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

Supplemental Disclosures of Cash Flow Information

	Nine Months Ended
(In thousands)	2021		2020
Cash paid during the period for:
Interest (including amounts capitalized of $8,308 and $12,040, respectively)	$	41,918	$	31,661
Income taxes, net of refunds	95,065		78,519
Non-cash items:
Lease liabilities recorded upon the commencement of operating leases	9,062		24,499
Financed capital purchases	7,255		17,395