XML 59 R31.htm IDEA: XBRL DOCUMENT v3.2.0.727

Note 7. Employee Benefit Plans (Policies)	12 Months Ended
	Jun. 30, 2015
Employee Benefit Plans [Abstract]
Postemployment Benefit Plans	Prior service cost is amortized on a straight-line basis over the average remaining service period of employees that were active at the time of the plan initiation and actuarial (gain) loss is amortized on a straight-line basis over the average remaining service period of employees expected to receive benefits under the plan.

X

- Definition

Employee Benefit Plans [Abstract]

+ References

No definition available.

+ Details

Name:	ke_EmployeeBenefitPlansAbstract
Namespace Prefix:	ke_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disclosure of accounting policy for postemployment benefits. Postemployment benefits are benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement, except for: a) benefits provided through a pension or postretirement benefit plan, b) individual deferred compensation arrangements, c) special or contractual termination benefits, and d) stock compensation plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 712



-SubTopic 10



-Section 50



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=6410195&loc=d3e80090-111668



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 235



-SubTopic 10



-Section 50



-Paragraph 3



-URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790

+ Details

Name:	us-gaap_PostemploymentBenefitPlansPolicy
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration