Acquisition - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended	1 Months Ended	3 Months Ended	1 Months Ended	3 Months Ended	1 Months Ended	3 Months Ended
	May 31, 2012	May 31, 2012	Jul. 31, 2011 Kitchen Basics	May 31, 2012 Kitchen Basics	Sep. 30, 2011 Kamis	May 31, 2012 Kamis	Sep. 30, 2011 Kohinoor Speciality Foods India Private Limited	May 31, 2012 Kohinoor Speciality Foods India Private Limited
Business Acquisition [Line Items]
Business acquisition Date				2011-07		2011-09		2011-09
Acquisition Purchase Price			$ 40.0		$ 287.1		$ 113.0
Approximate annual sales			25		105		85
Business acquisition valuation of assets allocated to tangible assets				6.2		42.4		5.9
Business acquisition valuation of assets allocated to other intangible assets				8.0		77.8		48.9
Business acquisition valuation of assets allocated to goodwill				25.8		166.9		70.1
Joint ventures interest percentage								85.00%
Business acquisition valuation of assets allocated to non controlling interests								11.9
Sales contribution from acquired entities	$ 50.2	$ 102.8