Note 8 Restructuring Detail (Details) (Restructuring Plan FY2012 [Member], USD $) In Millions, unless otherwise specified	6 Months Ended	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2012 Facility Closing [Member]	Mar. 31, 2012 Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 1.7
Restructuring and Related Cost, Incurred Cost		0.3	0.8
Long Lived Assets Held-for-sale, Impairment Charge		$ 0.2
Restructuring and Related Cost, Number of Positions Eliminated			845
Restructuring and Related Activities, Completion Date	Jun. 30, 2012