Consolidated Statement of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash provided by (used in) operating activities:
Net income	$ 89.8	$ 63.2	$ 84.9
Adjustments to reconcile net cash provided by (used in) operating activities:
Depreciation and amortization	57.0	56.1	57.7
Stock-based compensation	17.3	13.2	13.0
Change in derivative contracts	(0.9)	6.5	3.8
Non-cash interest expense	4.9	2.8	2.7
(Gain) on sale of assets and investment	(2.0)	(2.6)	(31.2)
Insurance proceeds	(1.7)	(0.8)	(6.1)
Deferred income taxes	5.7	2.7	16.9
Change in other liabilities	0.2	1.1	2.1
Other - net	2.2	5.3	4.0
Changes in working capital:
Accounts receivable	14.9	(32.3)	(12.7)
Inventories	(37.2)	(41.8)	(24.3)
Accounts payable	(0.4)	32.7	20.9
Accrued liabilities	(2.4)	(7.3)	(21.0)
Other working capital	(1.3)	3.5	(7.7)
Net cash provided by operating activities	146.1	102.3	103.0
Cash (used in) provided by investing activities:
Capital expenditures	(120.5)	(105.3)	(125.0)
Insurance proceeds	1.7	0.8	6.1
Acquisitions	0.0	(14.7)	0.0
Net cash provided by sale of discontinued operations and asset sales	2.8	4.4	29.4
Net cash used in investing activities	(116.0)	(114.8)	(89.5)
Cash provided by (used in) financing activities:
Borrowings of credit facility	1,032.5	444.4	280.9
Repayments of credit facility	(896.4)	(406.1)	(265.7)
Borrowings of long-term debt	388.0	0.0	0.0
Repayments of long-term debt	(501.0)	(2.0)	(10.1)
Issuances of Common Stock	9.9	1.1	2.4
Repurchases of Common Stock	(20.1)	(23.6)	(11.5)
Payment of debt issuance costs	(5.3)	(4.8)	0.0
Dividends paid	(5.0)	(4.2)	0.0
Net cash provided by (used in) financing activities	2.6	4.8	(4.0)
Effect of exchange rate changes on cash	0.5	(4.5)	(2.5)
Net increase (decrease) in cash and cash equivalents	33.2	(12.2)	7.0
Cash and cash equivalents at beginning of period	33.3	45.5	38.5
Cash and cash equivalents at end of period	66.5	33.3	45.5
Supplemental disclosure of non-cash investing and financing activities:
Right-of-use assets obtained in exchange for new operating lease liabilities	26.6	12.1	12.6
Accrued capital expenditures	5.6	11.1	7.3
Cash paid during the year for:
Interest	70.0	41.3	38.1
Income taxes	$ 34.3	$ 20.7	$ 23.4