Financing Arrangements - Schedule of Long-term Debt (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Components of Long-term debt
Long-term debt	$ 386.1	$ 383.6
Less current maturities	4.5	4.4
Total long-term debt, net of current portion	381.6	379.2
8.125% senior notes due 2021 [Member]
Debt Instrument [Line Items]
Senior notes, interest rate	8.125%
Components of Long-term debt
Long-term debt	250.0	250.0
Other [Member]
Components of Long-term debt
Long-term debt	3.8	3.9
Revolving credit facility [Member]
Components of Long-term debt
Long-term debt	114.4	111.0
Term Loan [Member]
Components of Long-term debt
Long-term debt	$ 17.9	$ 18.7