Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating activities:
Net income (loss)	$ 295.4	$ (65.3)	$ 82.7
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	55.9	53.9	58.4
Stock-based compensation	5.5	1.9	3.1
Deferred income taxes	0.6	(16.6)	48.0
Provision for allowances, claims, and doubtful accounts	3.2	(0.7)	3.5
Restructuring and other charges		2.2	2.4
Loss on retirement of debt	5.5	17.7	0.2
Gain on sale of assets	(109.6)		(20.6)
Non-cash (gain) loss from derivatives	27.6	(10.6)	0.6
Gain on insurance settlement			(1.5)
Pension settlement charge	98.7	65.9	1.6
Other items	0.1	0.2	1.2
Change in operating assets and liabilities, net of effects of acquisitions:
Receivables	(252.5)	46.7	92.5
Inventories	(227.9)	138.9	65.9
Other assets and liabilities	(23.3)	13.0	4.9
Accounts payable	123.6	25.8	(78.2)
Accrued liabilities	32.0	16.7	(34.6)
Accrued taxes payable/receivable	25.2	(1.2)	(7.6)
Deferred employee benefit costs	(25.0)	(10.6)	(29.4)
Net adjustments	(260.4)	343.2	110.4
Net cash provided by operating activities	35.0	277.9	193.1
Investing activities:
Acquisitions, net of cash acquired	(14.5)
Capital expenditures	(59.3)	(26.0)	(45.8)
Proceeds from sale of property, plant, and equipment	166.3	0.1	70.4
Proceeds from insurance settlement			1.8
Proceeds from other investing activities	1.9
Net cash provided by (used in) investing activities	94.4	(25.9)	26.4
Financing activities:
Long term debt issued		500.0
Repayment of debt	(157.3)	(654.7)	(12.7)
Net proceeds (repayments) of short-term borrowings	45.8	(93.8)	(164.6)
Bond issuance costs		(10.9)
Credit facility issuance costs		(4.9)
Net increase (decrease) in book overdrafts	(7.7)	27.4	0.1
Principal payments on finance lease obligations	(10.5)	(13.1)	(13.6)
Contingent payment related to acquisitions			(1.3)
Proceeds from sale leaseback transactions			8.3
Dividends paid to shareholders	(6.4)
Dividends paid to non-controlling interest		(0.2)
Share repurchases	(1.8)
Net cash used in financing activities	(137.9)	(250.2)	(183.8)
Net increase (decrease) in cash, cash equivalents, and restricted cash	(8.5)	1.8	35.7
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(1.6)	0.9	(0.2)
Net change in cash, cash equivalents, and restricted cash	(10.1)	2.7	35.5
Cash, cash equivalents, and restricted cash—beginning of period	62.5	59.8	24.3
Cash, cash equivalents, and restricted cash—end of period	52.4	62.5	59.8
Cash paid (received) during the period for:
Interest paid to third parties, net	51.1	62.0	88.3
Income taxes, net	70.2	(5.7)	(6.6)
Noncash investing activities:
Asset additions under adoption of accounting principal ASC 842			82.3
Asset additions under operating leases	129.6	1.6	64.8
Asset additions under finance leases and failed sale-leasebacks	$ 15.8	$ 3.6	2.2
Asset additions under financing arrangements			2.2
Noncash financing activities:
Short term debt converted to finance lease			$ 7.6