XML 38 R27.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Debt (Tables) | 3 Months Ended
--- | ---
Aug. 31, 2018
Debt Disclosure [Abstract] |
Schedule of Debt | The following table summarizes the carrying value of the Company's debt as of the dates indicated:
| August 31, 2018 |  | May 31, 2018 |  | August 31, 2017
Revolving Loan | $ | — |  |  | $ | — |  |  | $ | — |
Unsecured lines of credit (weighted average interest rates of 3.6%, 2.9% and 3.8%, respectively) | 15.7 |  |  | 7.9 |  |  | 12.0 |
Total debt | $ | 15.7 |  |  | $ | 7.9 |  |  | $ | 12.0 |

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

X
- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
Name: | us-gaap_ScheduleOfDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration