Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2025		Sep. 30, 2024		Sep. 30, 2025		Sep. 30, 2024
Income Statement [Abstract]
Net sales	$ 553.4		$ 524.8		$ 1,563.8		$ 1,582.0
Cost of sales	450.8	[1]	437.2	[2]	1,272.4	[1]	1,302.2	[2]
Gross profit	102.6		87.6		291.4		279.8
Operating costs and expenses:
Engineering, selling and administrative expenses	83.4		78.9		253.7		238.6
Amortization of intangible assets	0.7		0.7		2.3		2.2
Restructuring expense	0.0		0.5		1.8		3.4
Total operating costs and expenses	84.1		80.1		257.8		244.2
Operating income	18.5		7.5		33.6		35.6
Other expense:
Interest expense	(9.8)		(9.6)		(27.7)		(28.4)
Amortization of deferred financing fees	(0.4)		(0.3)		(1.1)		(1.0)
Other expense - net	(0.8)		(4.9)		(4.8)		(3.9)
Total other expense	(11.0)		(14.8)		(33.6)		(33.3)
Income (loss) before income taxes	7.5		(7.3)		0.0		2.3
Provision (benefit) for income taxes	2.5		(0.3)		(0.2)		3.2
Net income (loss)	$ 5.0		$ (7.0)		$ 0.2		$ (0.9)
Per Share Data and Share Amounts:
Basic net income (loss) per common share	$ 0.14		$ (0.2)		$ 0.01		$ (0.03)
Diluted net income (loss) per common share	$ 0.14		$ (0.2)		$ 0.01		$ (0.03)
Weighted average shares outstanding - basic	35,467,707		35,123,015		35,398,738		35,251,847
Weighted average shares outstanding - diluted	36,264,880		35,123,015		35,951,308		35,251,847

[1] The significant expense categories and amounts align with the segment-level information that is regularly provided to the CODM.

[2] The significant expense categories and amounts align with the segment-level information that is regularly provided to the CODM.