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Goodwill and Intangible Assets, Net of Accumulated Amortization (Tables) | 6 Months Ended
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Nov. 30, 2016
Goodwill and Intangible Assets, Net of Accumulated Amortization [Abstract] |
Components of Intangible Assets, at Cost |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | November 30, |  | May 31,
﻿In millions |  | 2016 |  | 2016
﻿Client lists |  | $ | 293.1 |  | $ | 289.2
﻿Other intangible assets |  |  | 5.4 |  |  | 5.4
﻿Total intangible assets, gross |  |  | 298.5 |  |  | 294.6
﻿Less: Accumulated amortization |  |  | 233.3 |  |  | 225.1
﻿Intangible assets, net of accumulated amortization |  | $ | 65.2 |  | $ | 69.5
﻿
Estimated Amortization Expense |
﻿ |  |  |
﻿In millions |  | Estimated amortization
﻿Year ending May 31, |  | expense
﻿2017 |  | $ | 18.1
﻿2018 |  |  | 15.0
﻿2019 |  |  | 12.0
﻿2020 |  |  | 9.5
﻿2021 |  |  | 7.4
﻿

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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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