CONSOLIDATED STATEMENTS OF SHAREHOLDERS EQUITY - USD ($) shares in Thousands, $ in Millions	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		2.9				2.9
Issuance of restricted stock		(1.9)	1.8			(0.1)
Issuance of restricted stock (in shares)	140
Exercise of stock options		(0.3)	0.4			0.1
Exercise of stock options (in shares)	34
Surrender of fully vested options and restricted stock		(0.4)				(0.4)
Change in cumulative translation adjustment					1.2	1.2
Net loss				(43.8)		(43.8)
Balances at Dec. 31, 2013	$ 0.4	183.3	(26.4)	246.7	2.2	406.2
Balances (in shares) at Dec. 31, 2013	36,729
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense		1.5				1.5
Issuance of restricted stock		(0.3)	0.6			0.3
Issuance of restricted stock (in shares)	45
Exercise of stock options		(0.1)	0.4			0.3
Exercise of stock options (in shares)	34
Surrender of fully vested options and restricted stock		(0.1)				(0.1)
Change in cumulative translation adjustment					(11.1)	(11.1)
Net loss				(37.5)		(37.5)
Balances at Dec. 31, 2014	$ 0.4	184.3	(25.4)	209.2	(8.9)	359.6
Balances (in shares) at Dec. 31, 2014	36,808
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense		1.2				1.2
Issuance of restricted stock		(1.1)	1.1			0.0
Issuance of restricted stock (in shares)	86
Exercise of stock options		0.0	0.0			0.0
Exercise of stock options (in shares)	4
Repurchase of treasury stock			(0.2)			(0.2)
Repurchase of treasury stock (in shares)	(25)
Change in cumulative translation adjustment					(6.9)	(6.9)
Net loss				(99.8)		(99.8)
Balances at Dec. 31, 2015	$ 0.4	$ 184.4	$ (24.5)	$ 109.4	$ (15.8)	$ 253.9
Balances (in shares) at Dec. 31, 2015	36,873