Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash Flows From Operating Activities
Net income (loss)	$ 39.2	$ (123.6)	$ 11.0
Adjustments to reconcile net income (loss) to cash provided by operating activities:
Asset impairment expense	0.0	171.9	1.9
Depreciation	56.6	60.6	45.5
Amortization of intangible assets	3.2	3.1	1.4
Stock-based compensation expense	11.5	8.5	7.1
Amortization of deferred financing fees	1.3	1.4	1.5
Loss (gain) on sale of property, plant and equipment	0.0	(0.9)	0.2
Net unrealized foreign currency transaction losses (gains)	(4.5)	(3.2)	0.7
Income tax benefit from change in reserve of uncertain tax positions	0.0	(11.0)	0.0
Deferred income tax expense (benefit) - net	(6.0)	4.4	0.6
Loss on foreign currency adjustments	9.3	0.0	0.0
Other	0.0	0.9	3.2
Changes in operating assets and liabilities
Accounts receivable	(9.3)	(36.4)	(5.2)
Inventories	(46.7)	(42.0)	(68.3)
Notes receivable	5.7	8.3	1.0
Other assets	(5.2)	5.8	(7.6)
Accounts payable	(28.5)	40.4	62.9
Accrued expenses and other liabilities	36.4	(11.3)	20.3
Net cash provided by operating activities	63.0	76.9	76.2
Cash Flows From Investing Activities
Capital expenditures	(77.4)	(61.8)	(40.4)
Proceeds from sale of fixed assets	5.6	1.5	0.3
Acquisition of business (Note 3)	0.0	2.3	(186.2)
Net cash used for investing activities	(71.8)	(58.0)	(226.3)
Cash Flows From Financing Activities
Proceeds from (payments on) revolving credit facility - net	0.0	(20.0)	(100.0)
Payments on revolving credit facility	(20.0)	0.0	0.0
Proceeds from (payments on) other debt - net	3.8	(5.1)	(4.9)
Debt issuance and other debt related costs	0.0	(1.9)	0.0
Exercises of stock options	0.3	0.1	5.8
Common stock repurchases	(5.5)	(3.0)	0.0
Net cash provided by (used for) financing activities	(21.4)	(29.9)	100.9
Effect of exchange rate changes on cash and cash equivalents	0.2	0.0	(4.1)
Net decrease in cash and cash equivalents	(30.0)	(11.0)	(53.3)
Cash and cash equivalents at beginning of period	64.4	75.4	128.7
Cash and cash equivalents at end of period	34.4	64.4	75.4
Supplemental Cash Flow Information
Interest paid	34.0	30.8	28.9
Income taxes (paid) refunded	$ (10.1)	$ (7.3)	$ 3.7