CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Millions	Total	Common Stock	Common Stock Held in Treasury	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income(Loss)
Stockholders' equity, beginning balance at Dec. 31, 2012	$ 105.6	$ 0.3	$ (3.4)	$ 66.2	$ 123.5	$ (81.0)
Net income	33.1				33.1
Issuance of common stock	0.0		3.6	(3.6)
Taxes withheld on issuance of stock-based awards	(2.3)			(2.3)
Excess tax benefits on stock-based payment arrangements	0.5			0.5
Dividends on stock-based payment arrangements	(0.3)				(0.3)
Common stock cash dividends	(9.8)				(9.8)
Share repurchases	(0.2)		(0.2)
Foreign currency translation adjustments	(4.5)					(4.5)
Derivatives designated as hedges, net of tax	0.0
Pension and other post-retirement benefits adjustments, net of tax	25.4					25.4
Stock-based compensation expense	6.9			6.9
Stockholders' equity, ending balance at Dec. 31, 2013	154.4	0.3	0.0	67.7	146.5	(60.1)
Net income	30.8				30.8
Issuance of common stock	0.0		1.3	(1.3)
Taxes withheld on issuance of stock-based awards	(3.6)			(3.6)
Excess tax benefits on stock-based payment arrangements	1.0			1.0
Dividends on stock-based payment arrangements	(0.4)				(0.4)
Common stock cash dividends	(10.5)				(10.5)
Share repurchases	(2.8)		(2.8)
Foreign currency translation adjustments	(20.6)					(20.6)
Derivatives designated as hedges, net of tax	0.0
Pension and other post-retirement benefits adjustments, net of tax	(36.4)					(36.4)
Stock-based compensation expense	7.3			7.3
Stockholders' equity, ending balance at Dec. 31, 2014	119.2	0.3	(1.5)	71.1	166.4	(117.1)
Net income	55.9				55.9
Issuance of common stock	0.0		3.1	(3.1)
Taxes withheld on issuance of stock-based awards	(5.8)			(5.8)
Excess tax benefits on stock-based payment arrangements	2.2			2.2
Dividends on stock-based payment arrangements	(0.4)				(0.4)
Common stock cash dividends	(10.8)				(10.8)
Share repurchases	(7.7)		(7.7)
Foreign currency translation adjustments	(21.9)					(21.9)
Derivatives designated as hedges, net of tax	(0.8)					(0.8)
Pension and other post-retirement benefits adjustments, net of tax	(7.4)					(7.4)
Stock-based compensation expense	7.2			7.2
Stockholders' equity, ending balance at Dec. 31, 2015	$ 129.7	$ 0.3	$ (6.1)	$ 71.6	$ 211.1	$ (147.2)