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Employee Benefit Plans (Narrative) (Details) - USD ($) $ in Millions | 10 Months Ended | 12 Months Ended | 14 Months Ended
--- | --- | --- | ---
Mar. 29, 2018 | May 31, 2019 | May 31, 2018 | May 31, 2017 | May 31, 2019
Deferred Compensation Plans [Member] |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Percentage of annual base salary and bonus that eligible employees may defer |  | 50.00% |  |  |
Percentage of Board cash compensation that eligible outside directors may defer |  | 100.00% |  |  |
Amounts accrued under deferred compensation plans |  | $ 27.0 | $ 18.2 |  | $ 27.0
401(K) Plan [Member] |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Maximum percentage of salary deferral |  | 50.00% |  |  |
Years of service to be eligible for matching contribution |  | 1 year |  |  |
Minimum number of hours worked for eligibility |  | 1000 hours |  |  |
Employer's matching contribution as a percent of the first 3% of employees' salary contributed |  |  |  |  | 100.00%
Percentage of employees' salary contributed matched 100% by employer |  |  |  |  | 3.00%
Employer's matching contribution as a percent of the next 2% of employees' salary contributed |  |  |  |  | 50.00%
Percentage of employees' salary contributed matched 50% by employer |  |  |  |  | 2.00%
Percentage of employer matching contributions of eligible employee pay | 50.00% |  |  |  |
Total percentage of employees' salary contributed matched by employer |  |  |  |  | 4.00%
Company contributions to the plan |  | $ 29.3 | $ 23.6 | $ 22.4 |
Percentage participant directed |  | 100.00% |  |  |
401(K) Plan [Member] | Maximum [Member] |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Percentage of employees' salary contributed matched by employer | 8.00% |  |  |  |

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- Definition First level of employee contributions, as a percentage of employees' gross pay, for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Second level of employee contributions, as a percentage of employees' gross pay, for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Employees deferred compensation plans deferred percentage maximum. + References No definition available. + Details
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- Definition The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 + Details
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