Consolidated Statements Of Financial Position (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Trade receivables, allowances	$ 24.7	$ 23.6
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	1.6	1.6
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Treasury stock, shares	33.8	31.1
Class A Common Stock [Member]
Par value	$ 0.01	$ 0.01
Shares authorized	900.0	900.0
Shares outstanding	62.0	63.9
Class B Common Stock [Member]
Par value	$ 0.01	$ 0.01
Shares authorized	10.0	10.0
Shares issued	0	0
Shares outstanding	0	0