Segment Information (Tables)

6 Months Ended

12 Months Ended

Mar. 31, 2015

Sep. 30, 2014

SEGMENT INFORMATION

Summary of financial information of the entity's reportable segments for continuing operations

Summarized financial information of our reportable segments for the six months ended March 31, 2015 and 2014 is shown in the following tables:

									Segment
	External		Inter-			Total			Operating
(in thousands)	Sales		Segment			Sales			Income (Loss)
March 31, 2015
Contract Drilling:
U.S. Land	$	1,608,510	$	—		$	1,608,510		$	542,988
Offshore	132,099		—			132,099			40,553
International Land	191,107		—			191,107			18,542
	1,931,716		—			1,931,716			602,083
Other	7,921		442			8,363			(5,116		)
	1,939,637		442			1,940,079			596,967
Eliminations	—		(442		)	(442		)	—
Total	$	1,939,637	$	—		$	1,939,637		$	596,967

									Segment
	External		Inter-			Total			Operating
(in thousands)	Sales		Segment			Sales			Income (Loss)
March 31, 2014
Contract Drilling:
U.S. Land	$	1,473,465	$	—		$	1,473,465		$	496,014
Offshore	122,330		—			122,330			37,841
International Land	180,874		—			180,874			23,919
	1,776,669		—			1,776,669			557,774
Other	5,913		431			6,344			(5,249		)
	1,782,582		431			1,783,013			552,525
Eliminations	—		(431		)	(431		)	—
Total	$	1,782,582	$	—		$	1,782,582		$	552,525

Summarized financial information of our reportable segments for the three months ended March 31, 2015 and 2014 is shown in the following tables:

									Segment
	External		Inter-			Total			Operating
(in thousands)	Sales		Segment			Sales			Income (Loss)
March 31, 2015
Contract Drilling:
U.S. Land	$	718,463	$	—		$	718,463		$	224,866
Offshore	62,626		—			62,626			19,069
International Land	98,222		—			98,222			6,328
	879,311		—			879,311			250,263
Other	3,741		220			3,961			(3,217		)
	883,052		220			883,272			247,046
Eliminations	—		(220		)	(220		)	—
Total	$	883,052	$	—		$	883,052		$	247,046

									Segment
	External		Inter-			Total			Operating
(in thousands)	Sales		Segment			Sales			Income (Loss)
March 31, 2014
Contract Drilling:
U.S. Land	$	741,791	$	—		$	741,791		$	245,062
Offshore	63,276		—			63,276			19,343
International Land	85,533		—			85,533			11,168
	890,600		—			890,600			275,573
Other	2,830		211			3,041			(2,244		)
	893,430		211			893,641			273,329
Eliminations	—		(211		)	(211		)	—
Total	$	893,430	$	—		$	893,430		$	273,329

(in thousands)	External Sales		Inter- Segment			Total Sales			Segment Operating Income (Loss)			Depreciation		Total Assets (as adjusted)		Additions to Long-Lived Assets
2014
Contract Drilling
U.S. Land	$	3,099,954	$	—		$	3,099,954		$	1,025,745		$	455,934	$	5,259,947	$	930,263
Offshore		250,811		—			250,811			69,819			12,300		137,101		4,372
International Land		355,532		—			355,532			36,417			39,932		589,968		85,424
		3,706,297		—			3,706,297			1,131,981			508,166		5,987,016		1,020,059
Other		13,410		867			14,277			(9,068	)		15,383		726,776		27,117
		3,719,707		867			3,720,574			1,122,913			523,549		6,713,792		1,047,176
Eliminations		—		(867	)		(867	)		—			—		—		—
Total	$	3,719,707	$	—		$	3,719,707		$	1,122,913		$	523,549	$	6,713,792	$	1,047,176
2013
Contract Drilling
U.S. Land	$	2,785,449	$	—		$	2,785,449		$	932,591		$	391,072	$	4,742,381	$	726,206
Offshore		221,863		—			221,863			53,064			13,766		149,128		4,470
International Land		366,841		—			366,841			44,595			36,000		486,914		51,193
		3,374,153		—			3,374,153			1,030,250			440,838		5,378,423		781,869
Other		13,461		858			14,319			(8,602	)		14,785		881,436		9,872
		3,387,614		858			3,388,472			1,021,648			455,623		6,259,859		791,741
Eliminations		—		(858	)		(858	)		—			—		—		—
Total	$	3,387,614	$	—		$	3,387,614		$	1,021,648		$	455,623	$	6,259,859	$	791,741
2012
Contract Drilling
U.S. Land	$	2,678,475	$	—		$	2,678,475		$	906,968		$	332,723	$	4,420,625	$	991,966
Offshore		189,086		—			189,086			41,775			13,455		160,135		8,547
International Land		270,027		—			270,027			20,366			30,701		467,538		52,864
		3,137,588		—			3,137,588			969,109			376,879		5,048,298		1,053,377
Other		14,214		841			15,055			(8,824	)		10,670		663,496		29,301
		3,151,802		841			3,152,643			960,285			387,549		5,711,794		1,082,678
Eliminations		—		(841	)		(841	)		—			—		—		—
Total	$	3,151,802	$	—		$	3,151,802		$	960,285		$	387,549	$	5,711,794	$	1,082,678

Schedule of reconciliation of segment operating income to income from continuing operations before income taxes

	Three Months Ended						Six Months Ended
	March 31,						March 31,
	2015			2014			2015			2014
	(in thousands)						(in thousands)
Segment operating income	$	247,046		$	273,329		$	596,967		$	552,525
Income from asset sales	2,915			4,098			7,070			9,762
Corporate general and administrative costs and corporate depreciation	(22,789		)	(22,085		)	(45,046		)	(42,914		)
Operating income	227,172			255,342			558,991			519,373
Other income (expense):
Interest and dividend income	2,549			490			2,834			943
Interest expense	(2,471		)	(1,725		)	(3,032		)	(2,919		)
Gain on sale of investment securities	—			21,352			—			21,352
Other	55			(32		)	369			(377		)
Total other income (expense)	133			20,085			171			18,999
Income from continuing operations before income taxes	$	227,305		$	275,427		$	559,162		$	538,372

	Years Ended September 30,
	2014			2013			2012
	(in thousands)
Segment operating income	$	1,122,913		$	1,021,648		$	960,285
Income from asset sales		19,585			18,923			19,223
Corporate general and administrative costs and corporate depreciation		(87,711	)		(83,910	)		(69,909	)
Operating income		1,054,787			956,661			909,599
Other income (expense)
Interest and dividend income		1,583			1,653			1,380
Interest expense		(4,654	)		(6,129	)		(8,653	)
Gain on sale of investment securities		45,234			162,121			—
Other		(636	)		(9	)		254
Total unallocated amounts		41,527			157,636			(7,019	)
Income from continuing operations before income taxes	$	1,096,314		$	1,114,297		$	902,580

Schedule of total assets by reportable segments

			September 30,
	March 31,		2014
	2015		(as adjusted)
	(in thousands)
Total assets
U.S. Land	$	5,482,725	$	5,259,947
Offshore	117,813		137,101
International Land	713,138		589,968
Other	40,228		40,080
	6,353,904		6,027,096
Investments and corporate operations	982,760		686,696
Total assets from continued operations	7,336,664		6,713,792
Discontinued operations	7,486		7,206
	$	7,344,150	$	6,720,998

Schedule of revenues from external customers by country based on the location of service provided

	Three Months Ended				Six Months Ended
	March 31,				March 31,
	2015		2014		2015		2014
	(in thousands)				(in thousands)
Operating revenues
United States	$	778,637	$	800,775	$	1,734,918	$	1,589,466
Argentina	39,480		26,695		64,563		53,054
Colombia	22,903		21,064		46,354		47,794
Ecuador	6,420		16,822		21,614		34,622
Other foreign	35,612		28,074		72,188		57,646
Total	$	883,052	$	893,430	$	1,939,637	$	1,782,582

	Years Ended September 30,
	2014		2013		2012
	(in thousands)
Revenues
United States	$	3,338,365	$	3,011,760	$	2,864,570
Argentina		107,945		73,208		54,317
Colombia		85,176		100,052		82,247
Ecuador		69,195		67,890		56,448
Other Foreign		119,026		134,704		94,220
Total	$	3,719,707	$	3,387,614	$	3,151,802
Long-Lived Assets
United States	$	4,753,844	$	4,345,950	$	4,039,770
Argentina		144,823		83,149		81,886
Colombia		107,112		81,315		84,389
Ecuador		70,742		63,894		38,265
Other Foreign		112,023		101,795		107,261
Total	$	5,188,544	$	4,676,103	$	4,351,571