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v3.20.2

Business Combinations (Narrative) (Details) $ in Millions |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 20, 2018 USD ($) | Feb. 28, 2018 USD ($) | Aug. 18, 2017 USD ($) state | May 31, 2020 USD ($) | Feb. 29, 2020 USD ($) | Nov. 30, 2019 USD ($) | Aug. 31, 2019 USD ($) | May 31, 2019 USD ($) | Feb. 28, 2019 USD ($) | Nov. 30, 2018 USD ($) | Aug. 31, 2018 USD ($) | May 31, 2020 USD ($) | May 31, 2019 USD ($) | May 31, 2018 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted cash |  |  |  | $ 71.1 |  |  |  | $ 57.1 |  |  |  | $ 71.1 | $ 57.1 |
Revenues |  |  |  | 915.1 | $ 1,142.7 | $ 990.7 | $ 992.0 | 980.4 | $ 1,070.4 | $ 858.9 | $ 862.8 | 4,040.5 | 3,772.5 | $ 3,377.7
Net income |  |  |  | 220.7 | $ 354.5 | $ 258.7 | $ 264.2 | 230.4 | $ 324.6 | $ 235.8 | $ 243.6 | 1,098.1 | 1,034.4 | 994.1
Goodwill |  |  |  | $ 1,791.1 |  |  |  | $ 1,782.6 |  |  |  | $ 1,791.1 | 1,782.6 | 814.0
Oasis Outsourcing Group Holdings, L.P. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective acquisition date |  |  |  |  |  |  |  |  |  |  |  | Dec. 20, 2018 |  |
Purchase price | $ 992.2 |  |  |  |  |  |  |  |  |  |  |  |  |
Cash acquired | 262.3 |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted cash | 132.1 |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  | 163.7 |
Net income |  |  |  |  |  |  |  |  |  |  |  |  | 5.1 |
Acquisition financed amount | 800.0 |  |  |  |  |  |  |  |  |  |  |  |  |
Incurred acquisition and integration costs |  |  |  |  |  |  |  |  |  |  |  |  | 5.3 |
Amortizable intangible assets | 310.9 |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill | $ 976.6 |  |  |  |  |  |  |  |  |  |  |  |  |
Excluded incurred costs related to acquisition |  |  |  |  |  |  |  |  |  |  |  |  | 2.7 |
Excluded incurred costs related to acquisition, net of tax |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.0 |
Included incurred costs related to acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.7
Included incurred costs related to acquisition, net of tax |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.7
Oasis Outsourcing Group Holdings, L.P. [Member] | Weighted Average [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization period | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |
Lessor Group [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective acquisition date |  |  |  |  |  |  |  |  |  |  |  | Feb. 28, 2018 |  |
Purchase price |  | $ 162.5 |  |  |  |  |  |  |  |  |  |  |  |
Cash acquired |  | 13.4 |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ 112.3 |  |  |  |  |  |  |  |  |  |  |  |
HR Outsourcing Holdings, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective acquisition date |  |  |  |  |  |  |  |  |  |  |  | Aug. 18, 2017 |  |
Purchase price |  |  | $ 75.4 |  |  |  |  |  |  |  |  |  |  |
Cash portion of purchase price |  |  | 42.2 |  |  |  |  |  |  |  |  |  |  |
Common stock issued portion of purchase price |  |  | 33.2 |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  | $ 51.1 |  |  |  |  |  |  |  |  |  |  |
HR Outsourcing Holdings, Inc. [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of states | state |  |  | 35 |  |  |  |  |  |  |  |  |  |  |

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