Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2021

Supplemental Cash Flow Elements [Abstract]

Schedule Of Other Significant Noncash Transactions

Noncash investing and financing activities are as follows:

	March 31,
	2021			2020
	(Dollars in Millions)
Noncash investing and financing activities:
Right-of-use assets obtained in exchange for    new finance lease liabilities	$	115.1		$	—
Accrued liabilities for purchases of property, plant and equipment	$	28.7		$	21.4
Right-of-use assets obtained in exchange for new    operating lease liabilities	$	6.0		$	12.7
Accrued proceeds from company-owned life insurance benefits	$	—		$	0.8
Remeasurement of operating lease right-of-use assets	$	(6.2	)	$	—

For the three months ended March 31, 2021, the right-of-use assets obtained in exchange for new finance lease liabilities balance primarily consisted of the lease for the new corporate headquarters.  

Supplemental Disclosures of Cash Flow Information

Supplemental disclosures of cash flow information are as follows:

	March 31,
	2021		2020
	(Dollars in Millions)
Cash paid for interest, net of capitalized amount	$	14.8	$	11.9
Cash paid for income taxes, net of refunds	$	—	$	1.4