Segment Information (Tables)

3 Months Ended

Mar. 31, 2026

Segment Reporting [Abstract]

Financial Information by Reportable Segment

as follows:

	Three months ended March 31, 2026
In millions	Systems Protection		Electrical Connections		Total
Net sales	$	894.8	$	347.2	$	1,242.0
Cost of goods sold(1)	586.4		205.7
Selling, general and administrative(1)	90.2		50.9
Research and development(1)	15.1		5.8
Reportable segment income	$	203.1	$	84.8	$	287.9

	Three months ended March 31, 2025
In millions	Systems Protection		Electrical Connections		Total
Net sales	$	508.2	$	301.1	$	809.3
Cost of goods sold(1)	324.9		166.9
Selling, general and administrative(1)	68.5		43.9
Research and development(1)	10.6		5.2
Reportable segment income	$	104.2	$	85.1	$	189.3

(1)    These costs exclude certain expenses reported in the Condensed Consolidated Statements of Income and Comprehensive Income that are reflected in 'Enterprise and other', as well as the costs that are excluded from reportable segment income as discussed above.

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

The following table presents a reconciliation of reportable segment income to consolidated income before income taxes:

	Three months ended
In millions	March 31, 2026		March 31, 2025
Systems Protection	$	203.1	$	104.2
Electrical Connections	84.8		85.1
Reportable segment income	287.9		189.3
Enterprise and other	(39.4)		(27.1)
Restructuring and other	(8.9)		(0.9)
Intangible amortization	(41.1)		(28.2)
Acquisition transaction and integration costs	(2.8)		(3.1)
Net interest expense	(17.5)		(17.4)
Other expense	(1.3)		(1.1)
Income before income taxes	$	176.9	$	111.5

	Identifiable assets
In millions	March 31, 2026		December 31, 2025
Systems Protection	$	3,495.8	$	3,342.2
Electrical Connections	3,282.3		3,281.0
Total for reportable segments	6,778.1		6,623.2
Enterprise and other	183.5		228.7
Consolidated	$	6,961.6	$	6,851.9

	Depreciation(1)
	Three months ended
In millions	March 31, 2026		March 31, 2025
Systems Protection	$	9.1	$	6.9
Electrical Connections	6.2		5.8
Total reportable segments	15.3		12.7
Enterprise and other	1.5		1.1
Consolidated	$	16.8	$	13.8

(1)    These amounts of depreciation disclosed by reportable segment are included within the significant expense categories above, such as cost of goods sold and selling, general and administrative expenses.

	Capital expenditures
	Three months ended
In millions	March 31, 2026		March 31, 2025
Systems Protection	$	24.5	$	14.9
Electrical Connections	7.4		4.5
Total reportable segments	31.9		19.4
Enterprise and other	4.2		1.7
Consolidated	$	36.1	$	21.1