Earnings Per Share - Table (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Earnings Per Share [Abstract]
Net income, basic EPS	$ 2.6	$ 3.6
Weighted-Average Shares Outstanding, basic EPS	11.5	11.4
Net Income Per Common Share, basic EPS	$ 0.22	$ 0.31
Effect of dilutive common share equivalents: [Abstract]
Incremental common shares attributable to share-based payment arrangements, restricted stock units	0	0.1
Net Income Per Common Share, restrictive stock units	$ 0.00	$ 0.00
Incremental common shares attributable to share-based payment arrangements, stock options	0.1	0.1
Net Income Per Common Share, stock options	$ 0.00	$ 0.00
Net Income, diluted EPS	$ 2.6	$ 3.6
Weighted-Average Shares Outstanding, diluted EPS	11.6	11.6
Net Income Per Common Share, diluted EPS	$ 0.22	$ 0.31