XML 41 R30.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Accumulated Other Comprehensive (Loss)/Income (Tables) | 3 Months Ended
--- | ---
Aug. 31, 2018
Accumulated Other Comprehensive (Loss)/Income [Abstract] |
Changes in Accumulated Other Comprehensive (Loss)/ Income |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | For the three months ended
﻿ |  | August 31,
﻿In millions |  | 2018 |  | 2017
﻿Beginning balance |  | $ | (36.2) |  | $ | 20.0
﻿Other comprehensive (loss)/income: |  |  |  |  |  |
﻿Unrealized gains on available-for-sale securities, net of tax |  |  | 2.1 |  |  | 4.3
﻿Foreign currency translation adjustment |  |  | (1.7) |  |  | 0.1
﻿Total other comprehensive income, net of tax |  |  | 0.4 |  |  | 4.4
﻿Ending balance |  | $ | (35.8) |  | $ | 24.4
﻿ |  |  |  |  |  |
﻿Total tax expense included in other comprehensive income |  | $ | 0.5 |  | $ | 2.4
﻿

X
- 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
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration