Financing Arrangements (Schedule of Long-term Debt) (Details) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Total debt	$ 480.6	$ 443.8
Less current maturities	16.7	9.4
Total long-term debt, net of current portion	$ 463.9	434.4
Revolving credit [Member]
Debt Instrument [Line Items]
Interest rate at end of period	1.69%
Total debt	$ 186.5	162.0
Term Loan [Member]
Debt Instrument [Line Items]
Interest rate at end of period	2.31%
Total debt	$ 28.9	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	$ 15.2	$ 3.0