Acquisition - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			3 Months Ended	9 Months Ended	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Nov. 30, 2013	Feb. 28, 2014 Wuhan Asia-Pacific Condiments Co. Ltd (WAPC) [Member]	Aug. 31, 2013 Wuhan Asia-Pacific Condiments Co. Ltd (WAPC) [Member]	May 31, 2013 Wuhan Asia-Pacific Condiments Co. Ltd (WAPC) [Member]
Business Acquisition [Line Items]
Acquisition purchase price					$ 144.8
Cash paid	0	0.8			142.3
Other liabilities					2.5
Annual sales						122
Business acquisition valuation of assets allocated to tangible assets				29.2
Business acquisition valuation of assets allocated to other intangible assets				37.7
Business acquisition valuation of assets allocated to goodwill	1,809.1	1,693.0	1,798.5	77.9
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual				$ 38.9