Goodwill And Intangible Assets (Narrative) (Details) (USD $) In Millions	3 Months Ended	12 Months Ended
Sep. 30, 2011	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2009
Goodwill And Intangible Assets [Abstract]
SAGA - acquisition			$ 35.0
Goodwill - adjustment			16.9
Goodwill - impairment	0
Amortization expense for intangible assets		$ 22.9	$ 25.7	$ 24.4

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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+ Details