CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Millions	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2013		17,383
Beginning Balance at Dec. 31, 2013		$ 0.2	$ (27.2)	$ 285.2	$ 36.6	$ (27.3)
Increase (Decrease) in Stockholders' Equity
Net income	$ 68.7				68.7
Other comprehensive income, net of income taxes	(41.1)					(41.1)
Dividends declared					(17.1)
Excess tax benefits from stock-based compensation	5.6			5.6
Shares purchased (Note 10)			(1.1)
Stock options exercised (in shares)		316
Stock options exercised				3.6
Restricted stock vesting (in shares)		150
Restricted stock vesting (Note 10)			(3.4)
Stock-based compensation				6.0
Ending Balance at Dec. 31, 2014		$ 0.2	(31.7)	300.4	88.2	(68.4)
Ending balance (in shares) at Dec. 31, 2014		17,849
Increase (Decrease) in Stockholders' Equity
Net income	51.1				51.1
Other comprehensive income, net of income taxes	(9.9)					(9.9)
Dividends declared					(20.3)
Excess tax benefits from stock-based compensation	2.6			2.6
Shares purchased (Note 10)			(5.9)
Stock options exercised (in shares)		108
Stock options exercised				1.2
Restricted stock vesting (in shares)		106
Restricted stock vesting (Note 10)			(2.5)
Stock-based compensation				6.5
Other/Currency				0.1
Ending Balance at Dec. 31, 2015	311.6	$ 0.2	(40.1)	310.8	119.0	(78.3)
Ending balance (in shares) at Dec. 31, 2015		18,063
Increase (Decrease) in Stockholders' Equity
Net income	73.0				73.0
Other comprehensive income, net of income taxes	(13.7)					(13.7)
Dividends declared					(22.4)
Shares purchased (Note 10)			(12.6)
Stock options exercised (in shares)		71
Stock options exercised				0.4
Restricted stock vesting (in shares)		111
Restricted stock vesting (Note 10)			(3.8)
Stock-based compensation				5.8
Ending Balance at Dec. 31, 2016	$ 338.3	$ 0.2	$ (56.5)	$ 317.0	$ 169.6	$ (92.0)
Ending balance (in shares) at Dec. 31, 2016		18,245