Assets Held For Sale - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Assets Held For Sale [Line Items]
Annual revenues	$ 725.2	[1]	$ 701.0	[1]	$ 2,112.2	[1]	$ 2,018.2	[1]
Net property, plant and equipment at its Brazil facility to assets held for sale	8.0				8.0
Inventories and supply parts at its Brazil facility	4.6				4.6
Assets Held-for-sale
Assets Held For Sale [Line Items]
Annual revenues					$ 40.0

[1] Intersegment sales from Consumer International to Consumer Domestic were $0.1 million and $1.2 million for the quarters ended September 30, 2012 and September 30, 2011, respectively, and were $1.9 million and $3.7 million for the nine months ended September 30, 2012 and September 30, 2011, respectively.