Financing Arrangements (Schedule of Long-term Debt) (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Total debt	$ 470.6	$ 443.8
Less current maturities	13.4	9.4
Total long-term debt, net of current portion	$ 457.2	434.4
Revolving credit [Member]
Debt Instrument [Line Items]
Interest rate at end of period	1.69%
Total debt	$ 186.9	162.0
Term Loan [Member]
Debt Instrument [Line Items]
Interest rate at end of period	2.31%
Total debt	$ 30.1	28.8
8.125% senior notes due 2021 [Member]
Debt Instrument [Line Items]
Stated interest rate	8.125%
Total debt	$ 250.0	250.0
Other [Member]
Debt Instrument [Line Items]
Total debt	$ 3.6	$ 3.0