Condensed Consolidated Balance Sheets (unaudited) (Parenthetical) (USD $) In Millions, except Share data	Oct. 01, 2011	Dec. 31, 2010	Oct. 02, 2010
Current assets
Accounts and notes receivable, allowances	$ 33.3	$ 38.0	$ 44.0
Shareholders' equity
Common stock, par value	$ 0.75	$ 0.75	$ 0.75
Common stock, shares authorized	200,000,000	200,000,000	200,000,000
Common stock, shares issued	102,538,000	102,538,000	102,538,000
Treasury stock, shares	13,459,000	13,877,000	13,912,000