Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill - Additional Disclosures (Details) - USD ($) $ in Millions	9 Months Ended
	Aug. 31, 2018	Aug. 31, 2017	Nov. 30, 2017	Nov. 30, 2016
Goodwill [Line Items]
Changes in preliminary purchase price allocation	$ (2.4)
Goodwill	4,553.4	$ 4,503.3	$ 4,490.1
RB Foods
Goodwill [Line Items]
Changes in preliminary purchase price allocation	104.6
Goodwill	2,648.5
Consumer \| RB Foods [Member]
Goodwill [Line Items]
Changes in preliminary purchase price allocation	68.1	1,702.6
Flavor Solutions
Goodwill [Line Items]
Changes in preliminary purchase price allocation	34.1	0.0
Increases in goodwill from acquisitions	0.0	926.2
Goodwill	1,133.8	1,103.7	1,104.7	$ 163.1
Flavor Solutions \| RB Foods [Member]
Goodwill [Line Items]
Changes in preliminary purchase price allocation	34.1	851.3
Flavor Solutions \| Giotti
Goodwill [Line Items]
Increases in goodwill from acquisitions		74.9
Consumer
Goodwill [Line Items]
Changes in preliminary purchase price allocation	68.1	(7.7)
Increases in goodwill from acquisitions	0.0	1,702.6
Goodwill	$ 3,419.6	$ 3,399.6	$ 3,385.4	$ 1,608.3