Reportable Segments (Tables)

6 Months Ended

Jun. 30, 2014

Revenue and other financial information by reportable segment

The following tables present revenue and other financial information by reportable segment during the three and six months ended June 30, 2014 and 2013 (in thousands):

Three Months Ended	North America Contract Operations		International Contract Operations		Aftermarket Services		Fabrication		Reportable Segments Total
June 30, 2014:
Revenue from external customers	$	181,940	$	134,392	$	100,359	$	322,579	$	739,270
Gross margin(1)	104,426		87,890		21,062		42,596		255,974

June 30, 2013:
Revenue from external customers	$	162,207	$	117,872	$	99,368	$	456,459	$	835,906
Gross margin(1)	91,694		67,857		21,432		74,886		255,869

Six Months Ended	North America Contract Operations		International Contract Operations		Aftermarket Services		Fabrication		Reportable Segments Total
June 30, 2014:
Revenue from external customers	$	338,463	$	245,432	$	188,407	$	609,976	$	1,382,278
Gross margin(1)	189,868		157,898		41,289		100,405		489,460

June 30, 2013:
Revenue from external customers	$	320,157	$	227,430	$	182,980	$	915,235	$	1,645,802
Gross margin(1)	178,534		131,216		39,598		131,263		480,611

(1) Gross margin, a non-GAAP financial measure, is reconciled, in total, to net income (loss), its most directly comparable measure calculated and presented in accordance with GAAP, below.

Reconciliation of net income to gross margin

The following table reconciles net income to gross margin (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
Net income	$	20,863		$	24,504		$	55,757		$	83,295
Selling, general and administrative	95,712			91,005			188,290			175,879
Depreciation and amortization	111,956			80,751			197,478			163,397
Long-lived asset impairment	9,847			16,574			13,654			20,137
Restructuring charges	353			—			5,175			—
Interest expense	32,722			30,250			61,030			58,124
Equity in income of non-consolidated affiliates	(4,909		)	(4,722		)	(9,602		)	(9,387		)
Other (income) expense, net	(3,671		)	(7,223		)	(6,105		)	(17,031		)
Provision for income taxes	10,870			23,624			20,279			38,607
(Income) loss from discontinued operations, net of tax	(17,769		)	1,106			(36,496		)	(32,410		)
Gross margin	$	255,974		$	255,869		$	489,460		$	480,611