SEGMENT ANALYSIS, Classified by Major Geographic Areas (Details) (USD $) In Thousands	12 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2009
Revenues:
Total revenues	$ 3,399,886		$ 2,979,516		$ 2,602,519
Pre-tax income excluding noncontrolling interests:
Total pre-tax income excluding noncontrolling interests	461,247		361,908		248,774
Total assets:
Total assets	18,006,995		17,883,081
Goodwill	71,924		62,575
United States [Member]
Revenues:
Total revenues	2,947,633		2,653,174		2,359,564
Pre-tax income excluding noncontrolling interests:
Total pre-tax income excluding noncontrolling interests	416,955		356,249		256,231
Total assets:
Total assets	16,456,892	[1]	16,369,401	[1]
Goodwill	32,000		30,000
Canada [Member]
Revenues:
Total revenues	339,067		256,105		186,901
Pre-tax income excluding noncontrolling interests:
Total pre-tax income excluding noncontrolling interests	42,333		12,826		(967)
Total assets:
Total assets	1,436,505	[2]	1,443,943	[2]
Goodwill	33,000		33,000
Europe [Member]
Revenues:
Total revenues	63,665		54,037		41,427
Pre-tax income excluding noncontrolling interests:
Total pre-tax income excluding noncontrolling interests	(2,312)		(1,812)		(17)
Total assets:
Total assets	50,666	[3]	28,057
Goodwill	7,000
Other Geographic Areas [Member]
Revenues:
Total revenues	49,521		16,200		14,627
Pre-tax income excluding noncontrolling interests:
Total pre-tax income excluding noncontrolling interests	4,271		(5,355)		(6,473)
Total assets:
Total assets	$ 62,932		$ 41,680

[1] Includes $32 million of goodwill at September 30, 2011 and $30 million of goodwill at September 30, 2010.

[2] Includes $33 million of goodwill.

[3] Includes $7 million of goodwill.