Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2018

The Company has three reportable segments: Surfactants, Polymers and Specialty Products. Net sales by segment for the three months ended March 31, 2018 and 2017, were as follows:

(In thousands)	Three Months Ended March 31
	2018		2017
Segment Net Sales
Surfactants	$	358,940	$	322,603
Polymers		121,933		126,610
Specialty Products		18,462		19,056
Total	$	499,335	$	468,269

Reconciliation of Segment Information to Consolidated Financial Statements

Segment operating income and reconciliations of segment operating income to consolidated income before income taxes for the three months ended March 31, 2018 and 2017, are summarized below:

(In thousands)	Three Months Ended March 31
	2018			2017
Segment Operating Income⁽²⁾
Surfactants	$	40,251		$	38,371
Polymers		16,894			21,425
Specialty Products		(350	)		1,286
Segment operating income		56,795			61,082
Business restructuring		(358	)		(786	)
Unallocated corporate expenses ⁽¹⁾⁽²⁾		(16,782	)		(14,066	)
Consolidated operating income⁽²⁾		39,655			46,230
Interest expense, net		(3,151	)		(2,992	)
Other, net⁽²⁾		1,160			1,092
Consolidated income before income taxes	$	37,664		$	44,330

⁽¹⁾

Unallocated corporate expenses primarily comprise corporate administrative expenses (e.g., corporate finance, legal, human resources, information systems, deferred compensation and environmental remediation) that are not included in segment operating income and not used to evaluate segment performance.

⁽²⁾ The 2017 data has been immaterially changed from the amounts originally reported as a result of the Company’s first quarter 2018 adoption of ASU No. 2017-7, Compensation-Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost.