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Goodwill and Intangible Assets, Net of Accumulated Amortization (Tables) | 12 Months Ended
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May 31, 2016
Goodwill and Intangible Assets, Net of Accumulated Amortization [Abstract] |
Components of Intangible Assets, at Cost |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | May 31,
﻿In millions |  | 2016 |  | 2015
﻿Client lists |  | $ | 289.2 |  | $ | 244.6
﻿Other intangible assets |  |  | 5.4 |  |  | 3.2
﻿Total intangible assets, gross |  |  | 294.6 |  |  | 247.8
﻿Less: Accumulated amortization |  |  | 225.1 |  |  | 215.4
﻿Intangible assets, net of accumulated amortization |  | $ | 69.5 |  | $ | 32.4
﻿
Estimated Amortization Expense |
﻿ |  |  |
﻿In millions |  | Estimated amortization
﻿Year ending May 31, |  | expense
﻿2017 |  | $ | 17.7
﻿2018 |  |  | 14.1
﻿2019 |  |  | 11.1
﻿2020 |  |  | 8.5
﻿2021 |  |  | 6.5
﻿

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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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