Fair Value Measurements Changes in Level 3 Liabilities (Details) € in Millions, $ in Millions	3 Months Ended	9 Months Ended
Aug. 31, 2017 EUR (€)	Aug. 31, 2017 USD ($)	May 31, 2015 EUR (€)	May 31, 2015 USD ($)	Aug. 31, 2017 USD ($)	Aug. 31, 2016 USD ($)
Fair Value Disclosures [Abstract]
Payments of Contingent Consideration	€ 17.6	$ 19.7	€ 5.0		$ 19.7	$ 0.0
Change in unrealized gain					1.6
Contingent consideration related to acquisition, beginning balance	€ 26.1	$ 29.3			28.9	27.1
Changes in fair value including accretion					0.3	1.3
Impact of foreign currency					1.7	$ 1.7
Effect of agreed upon settlement					$ (30.9)
Contingent consideration related to acquisition, ending balance			€ 25.2	$ 27.7

Payments of Contingent Consideration

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those liabilities still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3).

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Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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