Basis of Presentation and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Accounting Policies [Abstract]

Schedule of Allowance for Doubtful Accounts

The following table represents a rollforward of the allowance for credit losses related to trade receivables for the years ended December 31, 2024, 2023 and 2022:

	Years Ended December 31,
(in millions)	2024		2023		2022
Allowance balance, beginning of year	$	3.3	$	2.3	$	2.3
Provision	0.9		1.6		1.2
Write offs	(1.8)		(0.6)		(1.2)
Recoveries and other	(0.1)		—		—
Allowance balance, end of year	$	2.3	$	3.3	$	2.3

Schedule of Property, Plant and Equipment

Property and equipment are primarily depreciated over the following useful lives:

	Years
Buildings and improvements	5 - 40
Airplanes and aviation equipment	5 - 20
Machinery, equipment and tooling	3 - 10
Furniture and fixtures	5 - 10
Computer hardware and software	3 - 5

Property and equipment at cost, less accumulated depreciation, is as follows:

	December 31,
(in millions)	2024		2023
Land	$	12.3	$	12.7
Building and land improvements	158.8		149.1
Construction in progress	3.9		20.3
Manufacturing and office equipment	266.7		249.0
Aviation equipment	4.6		4.6
Less accumulated depreciation	(264.4)		(248.1)
Total	$	181.9	$	187.6

Schedule of Intangible Assets

Intangible assets with definite lives are amortized on a straight-line basis over the following estimated useful lives:

	Years
Dealer network and customer relationships	8 - 18
Trade names	3
Other	3 - 12

Intangible assets consisted of the following as of December 31, 2024 and 2023:

	2024						2023
(in millions)	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Dealer network and customer relationships	$	41.4	$	32.0	$	9.4	$	42.3	$	29.8	$	12.5
Trade names	10.3		10.3		—		10.3		10.2		0.1
Other	14.8		13.0		1.8		15.1		11.3		3.8
Total	$	66.5	$	55.3	$	11.2	$	67.7	$	51.3	$	16.4

Schedule of Computation of Earnings Per Share

The following table sets forth a reconciliation of the number of shares used in the computation of basic and diluted earnings per share:

	Years Ended December 31,
	2024	2023	2022
Denominator:
Denominator for basic earnings per share	22,799,071	22,719,900	22,790,717
Effect of dilutive securities:
Restricted stock units	24,644	31,847	—
Unvested performance share units	13,743	3,144	—
Deferred compensation programs	15,993	26,478	—
Denominator for diluted earnings per share	22,853,451	22,781,369	22,790,717
Antidilutive securities excluded from the calculation of diluted earnings per share	26,710	7,495	255,738