CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income	Treasury Stock
Balance, Beginning of period at Sep. 30, 2013	$ 1,937,635us-gaap_StockholdersEquity	$ 132,573	$ 1,625,051	$ 594,450	$ 6,378	$ (420,817)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	78,893us-gaap_NetIncomeLoss			78,893
Other comprehensive income	4,112				4,112
Dividends on common stock	(20,372)us-gaap_DividendsCommonStockCash			(20,372)
Compensation expense related to common stock options	600		600
Proceeds from exercise of common stock options	9,911	727	9,184
Restricted stock expense	1,680	0	1,680
Treasury stock acquired	(31,776)					(31,776)
Balance, End of period at Mar. 31, 2014	1,980,683us-gaap_StockholdersEquity	133,300	1,636,515	652,971	10,490	(452,593)
Balance, Beginning of period at Sep. 30, 2014	1,973,283us-gaap_StockholdersEquity	133,323	1,638,211	706,149	20,708	(525,108)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	78,768us-gaap_NetIncomeLoss			78,768
Other comprehensive income	2,777				2,777
Dividends on common stock	(12,406)us-gaap_DividendsCommonStockCash			(12,406)
Compensation expense related to common stock options	600		600
Proceeds from exercise of common stock options	492	35	457
Restricted stock expense	1,981	265	1,716
Treasury stock acquired	(77,355)					(77,355)
Balance, End of period at Mar. 31, 2015	$ 1,968,140us-gaap_StockholdersEquity	$ 133,623	$ 1,640,984	$ 772,511	$ 23,485	$ (602,463)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 20

-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Other Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=6519514

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Net Income

-URI http://asc.fasb.org/extlink&oid=6518256

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.19)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.18)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.22)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

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-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e565-108580

Reference 10: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 19

-Article 5

+ Details

- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

+ References+ Details

- Definition

Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

+ References+ Details