Condensed Consolidated Statement of Stockholders’ Equity Statement (USD $) In Millions, unless otherwise specified	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Noncontrolling Interest [Member]
Balances at beginning of period at Sep. 30, 2011	$ 297.6	$ 0.2	$ (0.1)	$ 205.2	$ 97.0	$ (6.0)	$ 1.3
Components of comprehensive income
Net (loss) income	(0.5)				(0.4)		(0.1)
Change in foreign currency translation	(0.1)					(0.1)
Change in pension liabilities	0.1					0.1
Change in unrealized gain or loss on available-for-sale securities	(0.1)					(0.1)
Total comprehensive income	(0.6)
Exercise of stock options	0.3			0.3
Stock-based Compensation	1.0			1.0
Disposition or de-consolidation	(1.2)						(1.2)
Balances at end of period at Dec. 31, 2011	$ 297.1	$ 0.2	$ (0.1)	$ 206.5	$ 96.6	$ (6.1)	$ 0