Condensed Consolidated Statement of Shareholders' Equity (Unaudited) - 6 months ended Jun. 30, 2016 - USD ($) shares in Thousands, $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock, At Cost [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]
Balances at Dec. 31, 2015	$ 253.9	$ 0.4	$ 184.4	$ (24.5)	$ 109.4	$ (15.8)
Balances (in shares) at Dec. 31, 2015		36,873
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	1.0		1.0
Issuance of restricted stock	0.0		(0.4)	0.4
Issuance of restricted stock (in shares)		35
Change in cumulative translation adjustment	(1.2)					(1.2)
Net income (loss)	(24.7)				(24.7)
Balances at Jun. 30, 2016	$ 229.0	$ 0.4	$ 185.0	$ (24.1)	$ 84.7	$ (17.0)
Balances (in shares) at Jun. 30, 2016		36,908