As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees and nonemployees under equity-based compensation awards that have yet to vest.

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Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

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The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Net number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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SHARE-BASED COMPENSATION (Details) (USD $)	3 Months Ended		9 Months Ended
SHARE-BASED COMPENSATION (Details) (USD $)	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Stock Options [Member]
Compensation plans expense and income tax benefits [Abstract]
Total share-based (expense reduction) expense	$ (769,000)	$ 852,000	$ 8,217,000	$ 8,518,000
Income tax benefits related to share-based expense	(781,000)	(255,000)	1,215,000	875,000
Fixed Stock Option Plans [Abstract]
Cash received from stock option exercises			32,200,000
Excess tax benefits related to share based compensation			200,000
Stock Options [Member] \| Employees [Member]
Compensation plans expense and income tax benefits [Abstract]
Weighted average grant-date fair value of awards granted	$ 11.91		$ 9.71
Fixed Stock Option Plans [Abstract]
Stock options granted	600		246,600
Stock Options [Member] \| Independent Contractor [Member]
Fixed Stock Option Plans [Abstract]
Stock options granted	0		45,000
Weighted average fair value for unvested options granted	$ 7.97		$ 7.97
Unrecognized Pre-Tax Expense [Abstract]
Unrecognized pre-tax expense	806,000		806,000
Remaining weighted- average period (in years)			2.8
Stock Options [Member] \| Outside Directors [Member]
Fixed Stock Option Plans [Abstract]
Stock options granted	0		0
Stock Options [Member] \| Employees and Directors [Member]
Unrecognized Pre-Tax Expense [Abstract]
Unrecognized pre-tax expense	13,519,000		13,519,000
Remaining weighted- average period (in years)			3.0
Restricted Stock 2005 Plan [Member]
Compensation plans expense and income tax benefits [Abstract]
Total share-based (expense reduction) expense	4,563,000	4,853,000	14,757,000	15,483,000
Income tax benefits related to share-based expense	1,734,000	1,822,000	5,608,000	5,814,000
Restricted stock plans [Abstract]
Maximum number of restricted stock awards per year	2,000,000		2,000,000
Restricted Stock 2005 Plan [Member] \| Employees [Member] \| Restricted Stock Units Employees Nonemployees RSU [Member]
Compensation plans expense and income tax benefits [Abstract]
Weighted average grant-date fair value of awards granted	$ 37.15		$ 31.47
Restricted stock plans [Abstract]
Shares of restricted stock awards granted	154,095		718,489
Restricted Stock 2005 Plan [Member] \| Employees [Member] \| Restricted Stock [Member]
Restricted stock plans [Abstract]
Shares of restricted stock awards granted	0		98,258
Restricted Stock 2005 Plan [Member] \| Independent Contractor [Member]
Restricted stock plans [Abstract]
Weighted average fair value for unvested restricted stock awards	$ 32.15		$ 32.15
Unrecognized Pre-Tax Expense [Abstract]
Unrecognized pre-tax expense	1,543,000		1,543,000
Remaining weighted- average period (in years)			2.1
Restricted Stock 2005 Plan [Member] \| Independent Contractor [Member] \| Restricted Stock Units Employees Nonemployees RSU [Member]
Restricted stock plans [Abstract]
Shares of restricted stock awards granted	0		0
Restricted Stock 2005 Plan [Member] \| Independent Contractor [Member] \| Restricted Stock [Member]
Restricted stock plans [Abstract]
Shares of restricted stock awards granted	0		0
Restricted Stock 2005 Plan [Member] \| Outside Directors [Member] \| Restricted Stock Units Employees Nonemployees RSU [Member]
Compensation plans expense and income tax benefits [Abstract]
Weighted average grant-date fair value of awards granted	$ 37.15		$ 31.47
Restricted stock plans [Abstract]
Shares of restricted stock awards granted	0		12,000
Restricted Stock 2005 Plan [Member] \| Outside Directors [Member] \| Restricted Stock [Member]
Restricted stock plans [Abstract]
Shares of restricted stock awards granted	0		0
Restricted Stock 2005 Plan [Member] \| Employees and Directors [Member]
Unrecognized Pre-Tax Expense [Abstract]
Unrecognized pre-tax expense	44,270,000		44,270,000
Remaining weighted- average period (in years)			3.4
Stock Bonus 2007 Plan [Member]
Compensation plans expense and income tax benefits [Abstract]
Total share-based (expense reduction) expense	1,694,000	1,725,000	8,927,000	6,946,000
Income tax benefits related to share-based expense	644,000	648,000	3,392,000	2,608,000
Restricted stock plans [Abstract]
Maximum number of restricted stock awards per year	750,000		750,000
Stock Bonus 2007 Plan [Member] \| Employees [Member]
Unrecognized Pre-Tax Expense [Abstract]
Unrecognized pre-tax expense	$ 10,600,000		$ 10,600,000
Remaining weighted- average period (in years)			2.0
Stock Bonus 2007 Plan [Member] \| Restricted Stock Units Employees Nonemployees RSU [Member]
Compensation plans expense and income tax benefits [Abstract]
Weighted average grant-date fair value of awards granted	$ 38.24		$ 31.56
Restricted stock plans [Abstract]
Shares of restricted stock awards granted	1,158		404,999