Condensed Consolidated Statement of Shareholders' Equity (Unaudited) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock, At Cost [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balances at Dec. 31, 2012	$ 0.4	$ 183.0	$ (28.6)	$ 290.5	$ 1.0	$ 446.3
Balances (in shares) at Dec. 31, 2012	36,555
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense		1.4
Issuance of restricted stock		(1.3)	1.2
Issuance of restricted stock (in shares)	100
Exercise of stock options		(0.3)	0.4
Exercise of stock options (in shares)	30
Change in cumulative translation adjustment					(7.6)	(7.6)
Net loss				(6.3)		(6.3)
Balances at Mar. 31, 2013	$ 0.4	$ 182.8	$ (27.0)	$ 284.2	$ (6.6)	$ 433.8
Balances (in shares) at Mar. 31, 2013	36,685