Segment Information (Tables)

3 Months Ended

Dec. 31, 2012

Segment Information

Summarized financial information of reportable segments

									Segment
	External		Inter-			Total			Operating
(in thousands)	Sales		Segment			Sales			Income (Loss)
December 31, 2012
Contract Drilling:
U.S. Land	$	696,030	$	—		$	696,030		$	234,388
Offshore	57,718		—			57,718			15,006
International Land	87,267		—			87,267			9,111
	841,015		—			841,015			258,505
Other	3,557		215			3,772			(1,635		)
	844,572		215			844,787			256,870
Eliminations	—		(215		)	(215		)	—
Total	$	844,572	$	—		$	844,572		$	256,870

									Segment
	External		Inter-			Total			Operating
(in thousands)	Sales		Segment			Sales			Income (Loss)
December 31, 2011
Contract Drilling:
U.S. Land	$	617,779	$	—		$	617,779		$	224,706
Offshore	50,792		—			50,792			12,204
International Land	60,735		—			60,735			7,939
	729,306		—			729,306			244,849
Other	3,282		210			3,492			(1,788		)
	732,588		210			732,798			243,061
Eliminations	—		(210		)	(210		)	—
Total	$	732,588	$	—		$	732,588		$	243,061

Reconciliation of segment operating income to income from continuing operations before income taxes

	Three Months Ended
	December 31,
	2012			2011
	(in thousands)
Segment operating income	$	256,870		$	243,061
Income from asset sales	5,219			4,683
Corporate general and administrative costs and corporate depreciation	(21,542		)	(17,205		)
Operating income	240,547			230,539
Other income (expense):
Interest and dividend income	426			336
Interest expense	(1,308		)	(2,461		)
Gain on sale of investment securities	8,752			—
Other	(2,084		)	21
Total other income (expense)	5,786			(2,104		)
Income from continuing operations before income taxes	$	246,333		$	228,435

Reconciliation of total assets from reportable segments to consolidated assets

	December 31,		September 30,
	2012		2012
	(in thousands)
Total assets
U.S. Land	$	4,529,162	$	4,422,297
Offshore	161,086		160,135
International Land	461,010		467,538
Other	33,153		33,539
	5,184,411		5,083,509
Investments and corporate operations	742,089		629,957
Total assets from continued operations	5,926,500		5,713,466
Discontinued operations	7,788		7,619
	$	5,934,288	$	5,721,085

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

	Three Months Ended
	December 31,
	2012		2011
	(in thousands)
Operating revenues
United States	$	756,485	$	662,351
Colombia	27,405		19,665
Ecuador	16,630		12,636
Argentina	13,596		12,407
Other foreign	30,456		25,529
Total	$	844,572	$	732,588