Segment Results

9 Months Ended

Sep. 30, 2023

Segment Reporting [Abstract]

Segment Results

NOTE 2. SEGMENT RESULTS

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2023		2022		2023		2022
Net sales
Mineral Fiber	$	249.7	$	233.7	$	712.1	$	671.4
Architectural Specialties		97.6		91.3		270.8		257.2
Total net sales	$	347.3	$	325.0	$	982.9	$	928.6

Our product-based Mineral Fiber and Architectural Specialties segment net sales represent the product-based group offerings we sell to external customers.

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2023			2022			2023			2022
Segment operating income (loss)
Mineral Fiber	$	85.5		$	70.8		$	224.8		$	199.8
Architectural Specialties		15.5			3.4			34.9			11.0
Unallocated Corporate		(0.8	)		(0.9	)		(2.3	)		(2.7	)
Total consolidated operating income	$	100.2		$	73.3		$	257.4		$	208.1

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2023			2022			2023			2022
Total consolidated operating income	$	100.2		$	73.3		$	257.4		$	208.1
Interest expense		8.8			7.0			26.7			17.9
Other non-operating (income), net		(2.3	)		(1.4	)		(6.9	)		(4.1	)
Earnings before income taxes	$	93.7		$	67.7		$	237.6		$	194.3

	September 30, 2023		December 31, 2022
Segment assets
Mineral Fiber	$	1,107.9	$	1,096.9
Architectural Specialties		412.6		387.5
Unallocated Corporate		193.3		202.8
Total consolidated assets	$	1,713.8	$	1,687.2