Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2020

Supplemental Cash Flow Elements [Abstract]

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

Supplemental Disclosures of Cash Flow Information

	For the Years Ended
(In thousands)	2020		2019		2018
Cash paid during the year for:
Interest (including amounts capitalized of $14,855, $17,190, and $12,710, respectively)	$	36,302	$	25,639	$	15,707
Income taxes, net of refunds	149,059		100,004		(15,560)
Non-cash items:
Lease liabilities recorded upon the commencement of operating leases	26,352		29,542		—
Capital purchases	22,218		12,673		11,989