Reportable Segments (Tables)

6 Months Ended

Jun. 30, 2015

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, 2015 and 2014 (in thousands):

Three Months Ended	North America Contract Operations		International Contract Operations		Aftermarket Services		Fabrication		Reportable Segments Total
June 30, 2015:
Revenue from external customers	$	198,259	$	115,250	$	90,834	$	279,489	$	683,832
Gross margin(1)	117,038		70,505		20,663		38,635		246,841

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

Six Months Ended	North America Contract Operations		International Contract Operations		Aftermarket Services		Fabrication		Reportable Segments Total
June 30, 2015:
Revenue from external customers	$	400,520	$	235,941	$	177,690	$	598,763	$	1,412,914
Gross margin(1)	236,620		146,857		41,585		90,791		515,853

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

(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,
	2015			2014			2015			2014
Net income	$	7,789		$	20,863		$	48,874		$	55,757
Selling, general and administrative	83,874			95,712			170,560			188,290
Depreciation and amortization	94,325			111,956			190,133			197,478
Long-lived asset impairment	15,420			9,847			28,152			13,654
Restructuring and other charges	19,604			353			24,394			5,175
Interest expense	28,398			32,722			55,696			61,030
Equity in income of non-consolidated affiliates	(5,062		)	(4,909		)	(10,068		)	(9,602		)
Other (income) expense, net	1,005			(3,671		)	8,846			(6,105		)
Provision for income taxes	1,742			10,870			18,233			20,279
Income from discontinued operations, net of tax	(254		)	(17,769		)	(18,967		)	(36,496		)

Gross margin	$	246,841		$	255,974		$	515,853		$	489,460