The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Goodwill and Other Intangible Assets, Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Intangible assets
Amortization expense	$ 81.0	$ 86.4	$ 49.6
Amortization expense estimated for each of the next five fiscal years
2023	69.1
2024	63.8
2025	54.5
2026	52.8
2027	46.0
2022 Acquisitions [Member] \| Backlog
Intangible assets
Amortization expense	$ 12.0
Halo Technology Ltd [Member] \| Backlog
Intangible assets
Amortization expense		9.0
MTS Sensors [Member] \| Backlog
Intangible assets
Amortization expense		$ 16.2