Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2022

Supplemental Cash Flow Elements [Abstract]

Schedule of Noncash Investing and Financing Activities

Noncash investing and financing activities are as follows:

	Six Months Ended
	June 30,
	2022			2021
	(Dollars in Millions)
Noncash investing and financing activities:
Right-of-use assets obtained in exchange for    new finance lease liabilities	$	7.0		$	158.8
Right-of-use assets obtained in exchange for new    operating lease liabilities	$	13.0		$	13.2
Accrued liabilities for purchases of property, plant and equipment	$	27.3		$	29.5
Remeasurement of operating lease right-of-use assets	$	(3.5	)	$	(6.3	)
Remeasurement of finance lease right-of-use assets	$	(6.4	)	$	—

Supplemental Disclosures of Cash Flow Information

Supplemental disclosures of cash flow information are as follows:

	Six Months Ended
	June 30,
	2022		2021
	(Dollars in Millions)
Cash paid for interest, net of capitalized amount	$	84.3	$	53.6
Cash paid for income taxes, net of refunds	$	42.9	$	56.9