Consolidated Balance Sheets Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Statement of Financial Position [Abstract]
Account Receivables, allowances	$ 1.3	$ 1.6
Common stock, par value (in $ per share)	$ 0	$ 0.0
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares outstanding (in shares)	48,600,000	42,900,000