Consolidated Balance Sheets (June 30, 2011 balances are unaudited) (Parenthetical) (USD $) In Millions, except Share data	Jun. 30, 2011	Dec. 31, 2010
Current Assets
Allowances for accounts receivable	$ 21.8	$ 27.6
Shareholders' Equity
Preferred stock, no par value (Class I & Class II Preferred stock)	$ 0	$ 0
Preferred stock, shares authorized (Class I & Class II Preferred stock)	10,000,000	10,000,000
Preferred stock, shares issued (Class I & Class II Preferred stock)	0	0
Common stock, no par value	$ 0	$ 0
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	98,375,135	98,153,317
Treasury shares	230,626	350,201