Segment Information (Tables)

9 Months Ended

Sep. 30, 2014

Segment Reporting [Abstract]

Schedule of Provisions for Contractual Discounts and Estimated Uncompensated Care as a Percentage of Gross Segment Billings

Provisions for contractual discounts and estimated uncompensated care for Air Medical operations as a percentage of gross segment billings for the following periods were as follows:

	Revenue
	Quarter Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
Provision for contractual discounts		73	%		62	%		71	%		60	%
Provision for uncompensated care		0	%		8	%		3	%		9	%

Schedule of Net Revenue Attributable to Medicaid, Medicare, Insurance, and Self-Pay as a Percentage of Net Air Medical Revenues

Net revenue attributable to Insurance, Medicare, Medicaid, and Self-Pay as a percentage of net Air Medical revenues for the following periods were as follows:

	Quarter Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
Insurance		76	%		75	%		74	%		73	%
Medicare		16	%		17	%		18	%		18	%
Medicaid		8	%		7	%		8	%		8	%
Self-Pay		0	%		1	%		0	%		1	%

Schedule of Financial Information Concerning Reportable Operating Segments

Summarized financial information concerning our reportable operating segments for the quarters and nine months ended September 30, 2014 and 2013 is as follows:

	Quarter Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(Thousands of dollars)						(Thousands of dollars)
Segment operating revenues
Oil and Gas	$	133,763		$	125,931		$	387,782		$	359,732
Air Medical		79,080			73,188			226,459			209,434
Technical Services		3,451			1,643			11,269			6,107
Total operating revenues, net		216,294			200,762			625,510			575,273
Segment direct expenses (1)
Oil and Gas (2)		105,252			99,919			306,076			290,616
Air Medical		61,215			58,924			183,320			173,296
Technical Services		3,745			1,716			9,932			5,427
Total direct expenses		170,212			160,559			499,328			469,339
Segment selling, general and administrative expenses
Oil and Gas		1,047			1,036			3,570			2,976
Air Medical		2,212			2,461			7,301			6,210
Technical Services		—			—			3			—
Total segment selling, general and administrative expenses		3,259			3,497			10,874			9,186
Total segment expenses		173,471			164,056			510,202			478,525
Net segment profit (loss)
Oil and Gas		27,464			24,976			78,136			66,140
Air Medical		15,653			11,803			35,838			29,928
Technical Services		(294	)		(73	)		1,334			680
Total		42,823			36,706			115,308			96,748
Other, net (3)		182			1,561			(873	)		16,041
Unallocated selling, general and administrative costs (1)		(7,644	)		(6,424	)		(21,017	)		(19,025	)
Interest expense		(7,084	)		(7,631	)		(22,121	)		(22,297	)
Loss on debt extinguishment		—			—			(29,833	)		—
Earnings before income taxes	$	28,277		$	24,212		$	41,464		$	71,467

(1) Included in direct expenses and unallocated selling, general, and administrative costs are the depreciation and amortization expense amounts below:

(2) Includes Equity in loss of unconsolidated affiliate.

(3) Consists of gains on disposition of property and equipment and impairments, and other income.

Depreciation and Amortization Expense Included in Direct Expenses and Unallocated Selling, General, and Administrative Costs

Included in direct expenses and unallocated selling, general, and administrative costs are the depreciation and amortization expense amounts below:

	Quarter Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Oil and Gas	$	7,515	$	6,403	$	21,751	$	19,707
Air Medical		3,232		2,873		9,541		8,376
Technical Services		94		50		269		81
Total	$	10,841	$	9,326	$	31,561	$	28,164
Unallocated SG&A	$	2,246	$	1,235	$	5,345	$	3,260