CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Operating Activities:
Net loss	$ (46.8)	$ (396.3)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	72.4	72.9
Deferred taxes	1.0	98.1
Impairment of goodwill	0.0	287.0
Debt extinguishment charge	0.0	21.5
Net gains from disposal of property, plant and equipment	(2.4)	(2.5)
Changes in operating assets and liabilities:
Inventories	(61.9)	51.8
Accounts receivable	(16.4)	70.5
Accounts payable	(24.9)	(245.4)
Retirement benefits	(15.2)	(17.0)
Accrued liabilities and other	(8.4)	45.0
Cash used in operating activities	(102.6)	(14.4)
Investing Activities:
Purchases of property, plant and equipment	(61.4)	(66.0)
Proceeds from disposal of property, plant and equipment	2.7	3.2
Other	(0.1)	1.0
Cash used in investing activities	(58.8)	(61.8)
Financing Activities:
Borrowings on long-term debt	0.7	385.0
Payments on long-term debt and finance leases	(7.1)	(207.2)
Net borrowings (payments) under credit facilities	(0.9)	0.7
Purchase of convertible note capped call	0.0	(19.0)
Debt issuance costs	0.0	(8.1)
Debt extinguishment charge	0.0	(19.1)
Shares repurchased for income tax withholding on share-based compensation and other	(4.7)	(7.8)
Cash provided by (used in) financing activities	(12.0)	124.5
Increase (decrease) in cash and cash equivalents
Increase (decrease) in cash and cash equivalents	(173.4)	48.3
Cash and cash equivalents at beginning of period	645.9	490.8
Cash and cash equivalents at end of period	$ 472.5	$ 539.1