Acquisitions (Narrative) (Details) € in Millions, AUD in Millions, $ in Millions	12 Months Ended
	Nov. 30, 2016 USD ($)	Nov. 30, 2015 USD ($)	Feb. 28, 2015 EUR (€)	Feb. 28, 2015 AUD	Nov. 30, 2014 USD ($)	Nov. 30, 2016 EUR (€)	Nov. 30, 2016 USD ($)	May 31, 2015 EUR (€)	May 31, 2015 USD ($)
Business Acquisition [Line Items]
Cash paid for acquisition	$ 120.6	$ 210.9			$ 0.0
Finite-Lived Intangible Asset, Useful Life	11 years
Goodwill		1,759.3			1,722.2		$ 1,771.4
Amortization of Intangible Assets	$ 11.3	7.3			$ 5.6
Transaction costs		3.6					5.5
Business Combination, Contingent Consideration, Liability		27.1					28.9		$ 27.7
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual	40.0
Gourmet Garden [Member]
Business Acquisition [Line Items]
Cash Acquired from Acquisition	3.3
Consideration transferred	$ 116.2
Approximate annual net sales | AUD				AUD 70
Tangible net assets							20.4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets							20.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles							14.2
Finite-Lived Intangible Asset, Useful Life	12 years
Goodwill							61.3
Cajun Injector [Member]
Business Acquisition [Line Items]
Consideration transferred	$ 4.4
Approximate annual net sales	$ 5.0
Brand Aromatics [Member]
Business Acquisition [Line Items]
Consideration transferred		62.4
Approximate annual net sales		30.0
Tangible net assets		5.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets		4.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		$ 18.7
Finite-Lived Intangible Asset, Useful Life		11 years 11 months
Goodwill		$ 34.3
D&A [Member]
Business Acquisition [Line Items]
Cash Acquired from Acquisition		2.8
Approximate annual net sales | €			€ 50
Tangible net assets							3.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets							12.6
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles							19.8
Finite-Lived Intangible Asset, Useful Life	13 years 10 months
Goodwill							41.1
Payments to Acquire Businesses, Net of Cash Acquired		49.0
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | €						€ 35
Business Combination, Contingent Consideration, Liability								€ 25	$ 27.7
Stubbs [Member] [Member]
Business Acquisition [Line Items]
Cash Acquired from Acquisition		0.8
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, indefinite lived intangible assets	$ 13.8
Consideration transferred		99.4
Approximate annual net sales		$ 30.0
Tangible net assets							5.7
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, liabilities assumed	7.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities							19.4
business combinations, final goodwill adjustments							19.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets							27.1
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, definite lived intangible assets	$ 11.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles							24.4
Finite-Lived Intangible Asset, Useful Life	13 years 11 months
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, tangible assets	$ 0.3
Goodwill							$ 61.6
Amortization of Intangible Assets	$ 0.9