Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2011
Basis of Presentation (Textual) [Abstract]
Decrease in intangible asset amortization expense due to foreign currency error corrections	$ 4.5
Increase in provision for income taxes due to foreign currency error corrections	3.2
Increase in foreign currency translation adjustment due to foreign currency error corrections	29.2
Increase in net earnings due to foreign currency error corrections	1.3
Increase in comprehensive income due to foreign currency error corrections	$ 30.5