EARNINGS PER SHARE ("EPS") (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net Income
Net Income, Basic	$ 21.5	$ 17.2	$ 43.0	$ 46.4
Net Income, Diluted	$ 21.5	$ 17.2	$ 43.0	$ 46.4
Weighted Average Common Shares
Basic (in shares)	43.0	42.8	43.0	42.7
Effect of Dilutive Securities (in shares)	0.4	0.5	0.3	0.4
Diluted (in shares)	43.4	43.3	43.3	43.1
Per Common Share Amount, Basic
Net income (in dollars per share)	$ 0.50	$ 0.40	$ 1.00	$ 1.09
Per Common Share Amount, Diluted
Net income (in dollars per share)	$ 0.50	$ 0.40	$ 1.00	$ 1.08