Consolidated Statements of Equity (USD $) In Millions, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2010	$ 0.3	$ 95.1	$ 278.5	$ 28.7	$ (8.9)	$ 0.3	$ 394.0
Balance (in shares) at Dec. 31, 2010	32,015,771
Net income (loss)			58.5			0	58.5
Cash dividends			(22.7)				(22.7)
Issuance of common stock and treasury shares pursuant to employee stock compensation plans (in shares)							482,144
Issuance of common stock and treasury shares pursuant to employee stock compensation plans		2.5			5.5		8.0
Tax benefit from employee stock compensation plans		0.6					0.6
Stock based compensation expense		4.9					4.9
Purchase of noncontrolling interest shares		(5.4)				(0.3)	(5.7)
Sale of subsidiary shares to noncontrolling interest		(3.4)		(1.4)		4.8	0
Other comprehensive income (loss)				(42.0)		(0.7)	(42.7)
Balance at Dec. 31, 2011	0.3	94.3	314.3	(14.7)	(3.4)	4.1	394.9
Balance (in shares) at Dec. 31, 2011	32,015,771
Net income (loss)			65.1			(0.2)	64.9
Cash dividends			(24.2)				(24.2)
Issuance of common stock and treasury shares pursuant to employee stock compensation plans (in shares)	168,339						286,802
Issuance of common stock and treasury shares pursuant to employee stock compensation plans		6.3			3.4		9.7
Tax benefit from employee stock compensation plans		(0.1)					(0.1)
Stock based compensation expense		4.5					4.5
Contribution from noncontrolling partner		0.1					0.1
Other comprehensive income (loss)				15.5		(0.2)	15.3
Balance at Dec. 31, 2012	0.3	105.1	355.2	0.8	0	3.7	465.1
Balance (in shares) at Dec. 31, 2012	32,184,110
Net income (loss)			30.2			(6.9)	23.3
Cash dividends			(25.9)				(25.9)
Issuance of common stock and treasury shares pursuant to employee stock compensation plans (in shares)	284,642
Issuance of common stock and treasury shares pursuant to employee stock compensation plans		7.0					7.0
Tax benefit from employee stock compensation plans		(0.2)					(0.2)
Stock based compensation expense		5.1					5.1
Contribution from noncontrolling partner		0.1					0.1
Other comprehensive income (loss)				(27.5)		(0.5)	28.0
Balance at Dec. 31, 2013	$ 0.3	$ 117.1	$ 359.5	$ (26.7)	$ 0	$ (3.7)	$ 446.5
Balance (in shares) at Dec. 31, 2013	32,468,752