Business Separation Costs - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
Sep. 30, 2013	Dec. 31, 2012 Pension settlement charge	Dec. 31, 2012 Former Employees
Discontinued Operations [Line Items]
Business separation costs	$ 1.1	$ 15.1
Lump sum distribution paid to former Fortune Brands executives			$ 29

Payments of cash to employees, including wages and salaries, during the current period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

Name:	us-gaap_PaymentsToEmployees
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration