Goodwill And Other Intangible Assets (Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Sep. 30, 2011
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 47,561	$ 18,263
Accumulated Amortization	8,884	7,355
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	40,615	15,645
Accumulated Amortization	7,704	6,467
Trademarks And Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,024	1,024
Accumulated Amortization	0	0
Licenses And Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,345	1,017
Accumulated Amortization	623	331
Other Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	577	577
Accumulated Amortization	$ 557	$ 557