Carrying Amount of Goodwill (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Goodwill [Line Items]
Balance September 30, 2012	$ 868.4	$ 868.4
Balance December 31, 2011	868.4	868.4
Consumer Domestic
Goodwill [Line Items]
Balance September 30, 2012	801.0	801.0
Balance December 31, 2011	801.0	801.0
Consumer International
Goodwill [Line Items]
Balance September 30, 2012	47.2	47.2
Balance December 31, 2011	47.2	47.2
Specialty Products
Goodwill [Line Items]
Balance September 30, 2012	20.2	20.2
Balance December 31, 2011	$ 20.2	$ 20.2