SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) (Allowance for Doubtful Accounts [Member], USD $) In Thousands	12 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2009
Allowance for Doubtful Accounts [Member]
Valuation and qualifying accounts [Roll Forward]
Balance at beginning of period	$ 11,261		$ 12,630		$ 11,538
Additions charged to expense	533		1,602		4,320
Additions charged to other Accounts	580	[1]	737	[1]	0	[1]
Deductions	(1,638)	[2]	(3,708)	[2]	(3,228)	[2]
Balance at end of period	$ 10,736		$ 11,261		$ 12,630

[1] Amount comprised principally of acquisitions and purchase accounting adjustments in connection with acquisitions.

[2] Amounts determined not to be collectible (including direct write-offs), net of recoveries.