Commitments and Contingencies (Schedule Of Activity Related To Asbestos Claim) (Detail) - Asbestos Commitments and Contingencies - claim	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Loss Contingency Accrual [Roll Forward]
Beginning claims	29,958	29,138	29,138
New claims	657	733	2,975
Settlements	(201)	(160)	(980)
Dismissals	(102)	(304)	(1,175)
Ending claims	30,312	29,407	29,958