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Goodwill and Intangible Assets, Net of Accumulated Amortization (Tables) | 3 Months Ended
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Aug. 31, 2017
Goodwill and Intangible Assets, Net of Accumulated Amortization [Abstract] |
Components of Intangible Assets, at Cost |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | August 31, |  | May 31,
﻿In millions |  | 2017 |  | 2017
﻿Client lists |  | $ | 318.7 |  | $ | 293.5
﻿Other intangible assets |  |  | 5.4 |  |  | 5.4
﻿Total intangible assets, gross |  |  | 324.1 |  |  | 298.9
﻿Less: Accumulated amortization |  |  | 244.9 |  |  | 241.3
﻿Intangible assets, net of accumulated amortization |  | $ | 79.2 |  | $ | 57.6
﻿
Estimated Amortization Expense |
﻿ |  |  |
﻿In millions |  | Estimated amortization
﻿Year ending May 31, |  | Expense
﻿2018 |  | $ | 20.1
﻿2019 |  |  | 17.3
﻿2020 |  |  | 13.9
﻿2021 |  |  | 10.9
﻿2022 |  |  | 8.2
﻿

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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