Acquisitions (Details Textual) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jan. 31, 2014	Jan. 31, 2013
Business Combination Textual (Abstract)
Goodwill from acquisition	$ 51.7
Business Combination Additional Textual [Abstract]
Total intangible assets, excluding goodwill, from acquisitions	37.6
Cash payments for acquisitions	101.8	0
U.S. Retail Coffee [Member]
Business Combination Textual (Abstract)
Goodwill from acquisition	22.7
International, Foodservice, and Natural Foods [Member]
Business Combination Textual (Abstract)
Goodwill from acquisition	$ 29.0