Goodwill And Other Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2012

Goodwill And Other Intangible Assets [Abstract]

Schedule Of Intangible Assets Gross Carrying Amounts And Accumulated Amortization

(Dollars in millions)		2012	2011
Goodwill	$	361.3	361.9
Intangible assets with determinable lives:
Patents
Gross carrying amount	$	13.5	13.5
Less: accumulated amortization		13.3	13.3
Net	$	0.2	0.2
Capitalized software
Gross carrying amount	$	129.8	116.7
Less: accumulated amortization		67.0	57.4
Net	$	62.8	59.3
Customer Relationships
Gross carrying amount	$	61.4	61.4
Less: accumulated amortization		14.7	11.6
Net	$	46.7	49.8
Other
Gross carrying amount	$	10.3	10.3
Less: accumulated amortization		10.3	9.6
Net	$	—	0.7
Intangible assets with indefinite lives:
Trade names	$	121.7	121.8

Schedule Of Changes In The Carrying Amount Of Goodwill Attributable To Business Segment

(Dollars in millions)		USG		Test		Filtration	Total
Balance as of
September 30, 2010	$	296.1		30.5		29.1	355.7
Acquisitions/adjustments		1.7		4.3		0.2	6.2
Balance as of
September 30, 2011		297.8		34.8		29.3	361.9
Acquisitions/adjustments		(0.5	)	(0.1	)	—	(0.6	)
Balance as of
September 30, 2012	$	297.3		34.7		29.3	361.3