Goodwill And Intangible Assets (Summary Of Intangible Assets) (Detail) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period of Finite Lived Assets (in years)	17 years 10 months 24 days
Gross Asset	$ 901.8	$ 941.7
Accumulated Amortization	481.9	474.6
Intangible assets, net	$ 419.9	467.1	$ 520.3
Intellectual property rights
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period of Finite Lived Assets (in years)	15 years
Gross Asset	$ 132.3	136.8
Accumulated Amortization	57.9	59.2
Intangible assets, net	$ 74.4	77.6
Customer relationships and backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period of Finite Lived Assets (in years)	18 years 4 months 24 days
Gross Asset	$ 622.1	651.7
Accumulated Amortization	314.0	308.8
Intangible assets, net	$ 308.1	342.9
Drawings
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period of Finite Lived Assets (in years)	40 years
Gross Asset	$ 11.1	11.1
Accumulated Amortization	10.7	10.6
Intangible assets, net	$ 0.4	0.5
Other
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period of Finite Lived Assets (in years)	11 years 8 months 12 days
Gross Asset	$ 136.3	142.1
Accumulated Amortization	99.3	96.0
Intangible assets, net	$ 37.0	$ 46.1