Segment Information (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Summary of segment's results of operations

The following table summarizes financial information regarding each reportable segment’s results of operations, including disaggregated external net sales by product category:

	Three Months Ended March 31,
(dollars in millions)	2019		2018
Net Sales:
Electronics
Assembly Solutions	$	133.0	$	139.8
Circuitry Solutions	90.8		106.0
Semiconductor Solutions	42.1		42.2
Total Electronics	265.9		288.0
Industrial & Specialty
Industrial Solutions	138.0		145.5
Graphics Solutions	35.7		38.7
Energy Solutions	20.2		20.3
Total Industrial & Specialty	193.9		204.5
Total net sales	$	459.8	$	492.5
Adjusted EBITDA:
Electronics	$	56.4	$	60.1
Industrial & Specialty	42.2		44.0
Total Adjusted EBITDA	$	98.6	$	104.1

The following table reconciles "Net income attributable to common stockholders" to Adjusted EBITDA:

	Three months ended March 31,
(dollars in millions)	2019			2018
Net income attributable to common stockholders	$	23.2		$	37.3
Add (subtract):
Net income attributable to the non-controlling interests	0.7			0.7
Income from discontinued operations, net of tax	(27.4		)	(46.9		)
Income tax (benefit) expense	(10.4		)	9.9
Interest expense, net	38.1			77.2
Depreciation expense	10.3			11.7
Amortization expense	28.4			28.5
EBITDA	62.9			118.4
Adjustments to reconcile to Adjusted EBITDA:
Restructuring expense	1.2			1.7
Integration costs	1.4			1.0
Foreign exchange gain on foreign denominated external and internal long-term debt	(28.3		)	(7.7		)
Debt refinancing costs	60.7			—
Change in fair value of contingent consideration	2.4			0.5
Gain on sale of equity investment	—			(11.3		)
Other, net	(1.7		)	1.5
Adjusted EBITDA	$	98.6		$	104.1