Supplemental Disclosures of Cash Flow Information and Noncash Activities (Tables)

9 Months Ended

Sep. 30, 2021

Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract]

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

Supplemental disclosures of cash flow information are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
	(in thousands)
Cash paid for income taxes, net of refunds received (1)	$	6,440	$	1,945	$	13,004	$	1,054
Cash paid for interest	$	57,095	$	43,647	194,618		182,257