Business Segment Information (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Segment Reporting Information [Line Items]
Identifiable assets	$ 5,844.6	$ 5,636.5	$ 5,284.9
Capital expenditures	146.2	139.6	120.1
Business Segment information (Textuals) [Abstract]
Portion of total sales to largest distributor	10.00%	10.00%	10.00%
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Identifiable assets	1,991.2	1,717.4	1,560.4
Capital expenditures	61.9	59.7	53.8
Corporate, Non-Segment [Member] | Shared by segments and used in operating activities [Member]
Segment Reporting Information [Line Items]
Identifiable assets	299.2	318.0	315.7
Capital expenditures	$ 61.9	$ 59.7	$ 53.8