Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property 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)	2021		2020
Land	$	13.9	$	15.6
Building and land improvements	154.3		148.3
Construction in progress	7.6		3.1
Manufacturing and office equipment	239.2		238.7
Aviation equipment	4.7		4.7
Less accumulated depreciation	(248.0)		(237.6)
Total	$	171.7	$	172.8