Accrued Liabilities (Summary Of Warranty Liabilities) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Disclosure Accrued Liabilities Summary Of Warranty Liabilities [Abstract]
Balance at beginning of period	$ 18.2	$ 14.6
Expense	8.9	14.6
Standard and Extended Product Warranty Accrual, Additions from Business Acquisition	0.0	1.1
Payments / deductions	(16.0)	(12.0)
Currency translation	(0.1)	(0.1)
Balance at end of period	$ 11.0	$ 18.2