Condensed Consolidated Statement of Shareholders' Equity (Unaudited) (USD $) In Millions, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Loss [Member]	Noncontrolling Interest [Member]
Beginning balance at Dec. 31, 2014	$ 191.9	$ 14.5	$ 89.8	$ 126.5	$ (31.2)	$ (14.0)	$ 6.3
Shares, Issued at Dec. 31, 2014		14,513,821
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)	6.0			10.8		(5.1)	0.3
Share-based compensation expense and award activity (in shares)		15,000
Share-based compensation expense and award activity	1.6		1.6
Dividends	(1.6)			(1.6)
Purchase of treasury stock (in shares)	18,556
Purchase of treasury stock (18,556 shares)	(1.1)				(1.1)
Ending balance at Mar. 31, 2015	$ 196.8	$ 14.5	$ 91.4	$ 135.7	$ (32.3)	$ (19.1)	$ 6.6
Shares, Issued at Mar. 31, 2015		14,528,821