Supplemental Balance Sheet Information (Schedule Of Selected Supplemental Balance Sheet Information) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
Inventories:
Purchased components and raw material	$ 71.1	$ 75.4
Work in process	38.2	38.6
Finished goods	97.5	94.5
Inventories, net	206.8	208.5
Other current assets:
Maintenance and repair tooling	22.2	22.5
Prepaid income taxes	15.5	14.9
Other	8.2	8.7
Other current assets	45.9	46.1
Property, plant and equipment:
Land	10.6	10.6
Buildings	77.9	75.5
Machinery and equipment	318.7	305.7
Construction in progress	18.3	19.6
Property, plant and equipment, gross	425.5	411.4
Accumulated depreciation	(281.8)	(269.5)
Property, plant and equipment net	143.7	141.9
Other current liabilities:
Compensation and benefits	28.7	37.3
Customer rebates	10.6	15.5
Interest	12.0	12.0
Taxes other than income taxes	4.8	5.0
Warranty	2.7	2.8
Income taxes	1.6	1.3
Restructuring	1.1	0
Environmental	0.1	0.2
Other	7.0	6.5
Other current liabilities	$ 68.6	$ 80.6