XML 48 R35.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Stock-Based Compensation (Tables) | 3 Months Ended
--- | ---
Aug. 31, 2022
Share-based Payment Arrangement [Abstract] |
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan | The following table summarizes stock-based compensation expense included in Selling, general and administrative expenses for the periods indicated:
| Three months ended |
| August 31, |
| 2022 | 2021 |  |
Stock option expense | $ | 0.6 |  |  | $ | 0.7 |  |  |  |  |  |  |  |
Restricted stock unit expense |  | 1.0 |  |  |  | 0.7 |  |  |  |  |  |  |  |
Management stock purchase plan |  | 0.0 |  |  |  | 0.0 |  |  |  |  |  |  |  |
Employee stock purchase plan |  | 0.1 |  |  |  | 0.1 |  |  |  |  |  |  |  |
Total stock-based compensation expense | $ | 1.7 |  |  | $ | 1.5 |  |  |  |  |  |  |  |
Schedule of Shares Issued Pursuant to Share-based Compensation Activity | The following table sets forth Common Stock issued pursuant to stock-based compensation plans for the periods indicated:
| Three months ended |  |
| August 31, |  |
| 2022 |  | 2021 |  |  |  |
Common Stock issued pursuant to stock-based compensation plans (in millions) | 0.3 |  |  | 0.1 |  |  |  |  |

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

X
- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration