Business Segment Information

3 Months Ended

Mar. 31, 2021

Business Segment Information

Business Segment Information

15. Business Segment Information

The Company has three reportable segments, BSI Life Science, BSI NANO and BEST, as discussed in Note 1 to the consolidated financial statements.

Revenue and operating income by reportable segment are presented below (dollars in millions):

	Three Months Ended March 31,
	2021			2020
Revenue:
BSI Life Science	$	351.8		$	261.4
BSI NANO		154.4			120.1
BEST		52.4			46.2
Eliminations (a)		(3.9	)		(3.7	)
Total revenue	$	554.7		$	424.0
Operating Income (loss)
BSI Life Science	$	88.9		$	39.5
BSI NANO		12.3			(8.0	)
BEST		4.1			1.7
Corporate, eliminations and other (b)		(16.2	)		(16.8	)
Total operating income	$	89.1		$	16.4

(a) Represents product and service revenue between reportable segments.

(b) Represents corporate costs and eliminations not allocated to the reportable segments.

Total assets by reportable segment are as follows (dollars in millions):

	March 31, 2021			December 31, 2020
Assets:
BSI Life Science, BSI NANO & Corporate	$	2,947.8		$	2,964.5
BEST		92.3			88.7
Eliminations and other (a)		(5.2	)		(4.2	)
Total assets	$	3,034.9		$	3,049.0

(a) Assets not allocated to the reportable segments and eliminations of intercompany transactions.

The Company is unable, without unreasonable effort or expense, to disclose the amount of total assets by BSI Life Science and BSI NANO Segments as well as the Corporate function and further, the Company’s chief operating decision maker does not receive any asset information by operating segment.