2018-06-30368602016-07-012017-06-30tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember368602016-07-012017-06-30tse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ResultMember368602017-07-012018-06-30368602017-07-012018-06-30tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ForecastMember368602017-07-012018-06-30tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:LowerMember368602017-07-012018-06-30tse-ed-t:ConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:UpperMember368602017-07-012018-06-30tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ForecastMember368602017-07-012018-06-30tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:LowerMember368602017-07-012018-06-30tse-ed-t:ConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:UpperMember368602017-07-012018-06-30tse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:ForecastMember368602017-07-012018-06-30tse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:LowerMember368602017-07-012018-06-30tse-ed-t:NonConsolidatedMembertse-ed-t:CurrentMembertse-ed-t:UpperMember368602017-07-012018-06-30tse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:ForecastMember368602017-07-012018-06-30tse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:LowerMember368602017-07-012018-06-30tse-ed-t:NonConsolidatedMembertse-ed-t:PreviousMembertse-ed-t:UpperMember368602018-06-30iso4217:JPYxbrli:pureiso4217:JPYxbrli:shares