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Employee Benefit Plans (Details) - Schedule of total weighted average asset allocations - U.K. [Member] - Pension Plans [Member]	May 31, 2020	May 31, 2019
Defined Benefit Plan, Information about Plan Assets [Abstract]
Weighted average asset allocations	100.00%	100.00%
Equity Securities [Member]
Defined Benefit Plan, Information about Plan Assets [Abstract]
Weighted average asset allocations	28.60%	35.00%
Cash and cash equivalents [Member]
Defined Benefit Plan, Information about Plan Assets [Abstract]
Weighted average asset allocations	2.20%	3.00%
Liability Driven Instruments [Member]
Defined Benefit Plan, Information about Plan Assets [Abstract]
Weighted average asset allocations	48.00%	38.00%
Real Estate [Member]
Defined Benefit Plan, Information about Plan Assets [Abstract]
Weighted average asset allocations	6.10%	7.00%
Other Securities [Member]
Defined Benefit Plan, Information about Plan Assets [Abstract]
Weighted average asset allocations	15.10%	17.00%

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- Definition

Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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