v3.6.0.2

Business Segments and Geographic Areas (Tables)

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

Schedule of Accounts Receivable and Revenue by Major Customers by Reporting Segments

The customers, individually or considered as a group under common ownership, which accounted for greater than 10% of accounts receivable or 10% of operating revenues during the periods reflected were as follows:

		Accounts Receivable								Operating Revenues
		December 31,								Years Ended December 31,
		2016				2015				2016				2015				2014
Oil and Gas segment:
Customer A			8	%			6	%			14	%			15	%			17	%
Customer B			8	%			9	%			10	%			11	%			13	%
Air Medical &
Technical Services segments:
Customer C			13	%			15	%			5	%			9	%			10	%

Schedule of Profit or Loss and Assets of Each of Company's Reportable Segments

The following table shows information about the profit or loss and assets of each of the Company’s reportable segments for the years ended December 31, 2016, 2015, and 2014.

		Year Ended December 31,
		2016				2015				2014
		(Thousands of dollars)
Segment operating revenues
Oil and Gas		$	324,129			$	459,611			$	516,909
Air Medical			281,868				312,775				300,212
Technical Services			28,101				31,842				19,149
Total operating revenues			634,098				804,228				836,270
Segment direct expenses
Oil and Gas(1)			344,640				411,757				411,679
Air Medical			227,877				246,487				243,573
Technical Services			19,882				29,112				14,851
Total segment direct expenses			592,399				687,356				670,103
Segment selling, general and administrative expenses
Oil and Gas			6,739				6,511				4,615
Air Medical			10,968				10,455				9,801
Technical Services			1,101				805				157
Total segment selling, general and administrative expenses			18,808				17,771				14,573
Total segment expenses			611,207				705,127				684,676
Net segment (loss) profit
Oil and Gas			(27,250	)			41,343				100,615
Air Medical			43,023				55,833				46,838
Technical Services			7,118				1,925				4,141
Total net segment profit			22,891				99,101				151,594
Other, net (2)			6,214				1,872				(10,539	)
Unallocated selling, general and administrative expenses			(25,610	)			(28,651	)			(28,597	)
Interest expense			(30,644	)			(29,066	)			(29,510	)
Loss on debt extinguishment			—				—				(29,833	)
(Loss) earnings before income taxes		$	(27,149	)		$	43,256			$	53,115

(1) Includes equity in gain/loss of unconsolidated affiliate.

(2) Includes gain/loss on disposition of property and equipment, asset impairments, and other income.

Summary of Gains on Disposition of Property and Equipment and Other Income

		Year Ended December 31,
		2016				2015				2014
		(Thousands of dollars)
Expenditures for Long-Lived Assets
Oil and Gas		$	59,278			$	32,501			$	119,235
Air Medical			22,429				22,685				37,317
Corporate			1,164				1,389				1,153
Total		$	82,871			$	56,575			$	157,705

		Year Ended December 31,
		2016				2015				2014
		(Thousands of dollars)
Depreciation and Amortization
Oil and Gas		$	40,170			$	42,709			$	29,635
Air Medical			19,716				18,177				13,067
Technical Services			564				518				493
Corporate			5,293				10,214				7,653
Total		$	65,743			$	71,618			$	50,848
Assets
Oil and Gas		$	674,788			$	704,472
Air Medical			368,474				329,484
Technical Services			9,568				7,345
Corporate			395,610				385,032
Total		$	1,448,440			$	1,426,333

Summary of Company's Revenues from External Customers and Long-Lived Assets, by Geographical Areas

The following table presents the Company’s revenues from external customers attributed to operations in the United States and foreign areas and long-lived assets in the United States and foreign areas.

		As of or for Year Ended December 31,
		2016				2015				2014
		(Thousands of dollars)
Operating Revenues:
United States		$	579,300			$	722,339			$	747,063
International			54,798				81,889				89,207
Total		$	634,098			$	804,228			$	836,270
Long-Lived Assets:
United States		$	751,290			$	773,939
International			152,687				109,590
Total		$	903,977			$	883,529

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Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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