XML 122 R105.htm IDEA: XBRL DOCUMENT
v3.20.2

Schedule II Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2018
SEC Schedule, 12-09, Allowance, Credit Loss |  |  |
Movement in Valuation Allowances [Roll Forward] |  |  |
Valuation Allowances, Balance at Beginning of Year | $ 270 | $ 482 | $ 284
Valuation Allowances, Additions to Expense | 265 | 184 | 259
Valuation Allowances, Adjustments to Other Accounts | (5) | 14 | (51)
Valuation Allowances, Write-offs and Recoveries | (7) | (410) | (10)
Valuation Allowances, Balance at End of Year | 523 | 270 | 482
Deferred Tax Asset |  |  |
Movement in Valuation Allowances [Roll Forward] |  |  |
Valuation Allowances, Balance at Beginning of Year | 658 | 638 | 0
Valuation Allowances, Additions to Expense | 979 | 20 | 638
Valuation Allowances, Adjustments to Other Accounts | 0 | 0 | 0
Valuation Allowances, Write-offs and Recoveries | 0 | 0 | 0
Valuation Allowances, Balance at End of Year | $ 1,637 | $ 658 | $ 638

X
- Definition Valuation Allowances and Reserves, Deductions and Recoveries + References No definition available. + Details
Name: | ke_ValuationAllowancesAndReservesDeductionsAndRecoveries
Namespace Prefix: | ke_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_MovementInValuationAllowancesAndReservesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_AllowanceForCreditLossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |