CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating Activities:
Net income (loss)	$ (2.4)	$ 23.6
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	36.1	37.3
Deferred taxes	(0.4)	8.3
Net gains from disposal of property, plant and equipment	(1.2)	(2.5)
Changes in operating assets and liabilities:
Inventories	(50.8)	(25.8)
Accounts receivable	(78.1)	(39.2)
Accounts payable	34.1	(96.5)
Retirement benefits	(16.6)	(23.0)
Accrued liabilities and other	11.2	2.4
Cash used in operating activities	(68.1)	(115.4)
Investing Activities:
Purchases of property, plant and equipment	(26.4)	(29.1)
Proceeds from disposal of property, plant and equipment	1.4	2.9
Other	(0.1)	1.0
Cash used in investing activities	(25.1)	(25.2)
Financing Activities:
Payments on long-term debt and finance leases	(3.0)	(2.0)
Net borrowings (payments) under credit facilities	(3.3)	298.6
Shares repurchased for income tax withholding on share-based compensation and other	(4.7)	(7.8)
Cash provided by (used in) financing activities	(11.0)	288.8
Increase (decrease) in cash and cash equivalents
Increase (decrease) in cash and cash equivalents	(104.2)	148.2
Cash and cash equivalents at beginning of period	645.9	490.8
Cash and cash equivalents at end of period	$ 541.7	$ 639.0