Supplemental Financial Information

12 Months Ended

Dec. 31, 2020

Supplemental Financial Information [Abstract]

Supplemental Financial Information

NOTE 25. SUPPLEMENTAL FINANCIAL INFORMATION

	2020			2019			2018
Selected operating expense
Maintenance and repair costs	$	38.1		$	41.4		$	41.6
Research and development costs		14.7			14.8			16.3
Advertising costs		6.8			7.0			6.5
Other non-operating expense (income), net
Interest income	$	(0.3	)	$	(3.2	)	$	(4.3	)
Pension and postretirement cost (credits)		358.7			(16.9	)		(33.0	)
Other		(1.0	)		(0.3	)		4.8
Total	$	357.4		$	(20.4	)	$	(32.5	)