Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash Flows From Operating Activities
Net income (loss)	$ 55.8	$ 39.2	$ (123.6)
Adjustments to reconcile net income (loss) to cash provided by operating activities:
Asset impairment expense	0.0	0.0	171.9
Depreciation expense	60.0	56.6	60.6
Amortization of intangible assets	2.9	3.2	3.1
Loss on debt extinguishment	1.1	0.0	0.0
Stock-based compensation expense	10.9	11.5	8.5
Amortization of deferred financing fees	1.4	1.3	1.4
Gain on sale of property, plant, and equipment	0.0	0.0	(0.9)
Net unrealized foreign currency transaction gains	0.0	0.0	(3.2)
Income tax benefit from change in reserve of uncertain tax positions	0.0	0.0	(11.0)
Deferred income tax expense (benefit) - net	(55.6)	(6.0)	4.4
Other	0.0	9.3	0.9
Changes in operating assets and liabilities
Accounts receivable	9.0	(9.3)	(36.4)
Inventories	21.4	(46.7)	(42.0)
Notes receivable	0.0	0.0	8.3
Other assets	8.5	(4.0)	5.8
Accounts payable	(39.1)	(28.5)	40.4
Accrued expenses and other liabilities	(27.1)	36.4	(11.3)
Net cash provided by operating activities	49.2	63.0	76.9
Cash Flows From Investing Activities
Capital expenditures	(45.7)	(77.4)	(61.8)
Proceeds from sale of fixed assets	4.8	5.6	1.5
Acquisition of business	0.0	0.0	2.3
Other	0.5	0.0	0.0
Net cash used for investing activities	(40.4)	(71.8)	(58.0)
Cash Flows From Financing Activities
Payments on revolving credit facility	(20.0)	(20.0)	(20.0)
Proceeds from revolving credit facility	40.7	0.0	0.0
Payments on long-term debt	(300.0)	0.0	0.0
Proceeds from long-term debt	(300.0)	0.0	0.0
Proceeds from (payments on) other debt - net	6.6	3.8	(5.1)
Debt issuance and other debt related costs	(7.4)	0.0	(1.9)
Exercises of stock options	0.0	0.3	0.1
Common stock repurchases	(5.7)	(5.5)	(3.0)
Other financing activities	(7.5)	0.0	0.0
Net cash provided by (used for) financing activities	6.7	(21.4)	(29.9)
Effect of exchange rate changes on cash and cash equivalents	(1.9)	0.2	0.0
Net increase (decrease) in cash and cash equivalents	13.6	(30.0)	(11.0)
Cash and cash equivalents at beginning of period	34.4	64.4	75.4
Cash and cash equivalents at end of period	48.0	34.4	64.4
Supplemental Cash Flow Information
Interest paid	36.6	34.0	30.8
Income taxes paid	$ 12.9	$ 10.1	$ 7.3