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]
Balances at beginning of period at Sep. 30, 2012	$ 319.1	$ 0.2	$ (4.1)	$ 213.2	$ 112.0	$ (2.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	13.3
Other comprehensive loss	(6.4)					(6.4)
Proceeds from Stock Options Excercised (including income tax benefit)	(0.1)			(0.1)
Stock-based Compensation	1.4			1.4
Repurchase of stock	(2.0)		(2.0)
Balances at end of period at Dec. 31, 2012	$ 325.3	$ 0.2	$ (6.1)	$ 214.5	$ 125.3	$ (8.6)