Condensed Consolidated Statement of Stockholders' Equity (USD $) In Millions, unless otherwise specified	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]
Balances as of beginning of period at Sep. 30, 2014	$ 345.4	$ 0.2	$ (17.5)	$ 229.6	$ 144.7	$ (11.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	9.4				9.4
Other comprehensive loss	0.8					0.8
Excercise of stock options				1.4
Share-based Compensation	0.9			0.9
Repurchase of stock - Treasury Stock			1.5
Repurchase of stock	(2.9)			1.4
Balances as of end of period at Dec. 31, 2014	$ 355.0	$ 0.2	$ (19.0)	$ 230.5	$ 154.1	$ (10.8)