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Accumulated Other Comprehensive (Loss)/Income (Tables) | 6 Months Ended
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Nov. 30, 2018
Accumulated Other Comprehensive (Loss)/Income [Abstract] |
Changes in Accumulated Other Comprehensive (Loss)/ Income |
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | For the three months ended |  | For the six months ended
﻿ |  | November 30, |  | November 30,
﻿In millions |  | 2018 |  | 2017 |  | 2018 |  | 2017
﻿Beginning balance |  | $ | (35.8) |  | $ | 24.4 |  | $ | (36.2) |  | $ | 20.0
﻿Other comprehensive (loss)/income: |  |  |  |  |  |  |  |  |  |  |  |
﻿Unrealized losses on available-for-sale securities, net of tax |  |  | (7.2) |  |  | (33.6) |  |  | (5.2) |  |  | (29.3)
﻿Foreign currency translation adjustment |  |  | (4.4) |  |  | — |  |  | (6.0) |  |  | 0.1
﻿Total other comprehensive loss, net of tax |  |  | (11.6) |  |  | (33.6) |  |  | (11.2) |  |  | (29.2)
﻿Ending balance |  | $ | (47.4) |  | $ | (9.2) |  | $ | (47.4) |  | $ | (9.2)
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿Total tax benefit included in other comprehensive loss |  | $ | (1.8) |  | $ | (19.3) |  | $ | (2.3) |  | $ | (16.8)
﻿

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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- References No definition available. + Details
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