2.4.0.84140 - Disclosure - 401(k) PLAN (Details)truefalseIn Millions, unless otherwise specifiedfalse1false USDfalsefalse$D2013http://www.sec.gov/CIK0000002491duration2012-07-01T00:00:002013-06-30T00:00:00PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$D2012http://www.sec.gov/CIK0000002491duration2011-07-01T00:00:002012-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$D2011http://www.sec.gov/CIK0000002491duration2010-07-01T00:00:002011-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 1us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0401(k) PLAN2false 2byi_MaximumPercentageOfCompensationPlanParticipantsMayDeferbyi_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truetruefalse0.250.25falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalsenum:percentItemTypepureRepresents the maximum percentage of compensation the plan participants may defer.No definition available.false0Maximum percentage of compensation the plan participants may defer3false 2byi_PercentageOfMatchingContributionMadeByCompanybyi_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truetruefalse0.500.50falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalsenum:percentItemTypepurePercentage of employer matching contribution when employee contribution is up to the first 6% of their compensation.No definition available.false0Percentage of employer contribution of first 6 percent of eligible compensation deferred by employee4false 2byi_MaximumPercentageOfCompensationByPlanParticipantsSubjectToCompanyMatchingbyi_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truetruefalse0.060.06falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalsenum:percentItemTypepureRepresents the maximum percentage of employee deferred compensation under the plan subject to employer 50% match.No definition available.false0Maximum percentage eligible compensation, 50% matched5false 2us-gaap_DefinedContributionPlanCostRecognizedus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse24000002.4USD$falsetruefalse2truefalsefalse22000002.2USD$falsetruefalse3truefalsefalse19000001.9USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe amount of the cost recognized during the period for defined contribution plans.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 false2Matching contributions made by the employer6false 2byi_PercentageOfEmployerAndEmployeeMatchingContributionByCompanyVestedImmediatelyForParticipantsHiredThrough31stDecember2000byi_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truetruefalse1.001.00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalsenum:percentItemTypepurePercentage of matching contribution by the Company vested immediately under the 401(k) plan for participants hired through December 31, 2000.No definition available.false0Percentage of employer contribution vested immediately for employees hired through December 31, 20007false 2byi_PercentageOfEmployerMatchingContributionByCompanyForParticipantsHiredOnOrAfter1stJanuary2001byi_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truetruefalse0.200.20falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalsenum:percentItemTypepurePercentage of matching contribution by the Company vesting annually under the 401(k) plan for participants hired on or after January 1, 2001.No definition available.false0Percentage of employer contribution vesting annually for employees hired on or after January 1, 20018false 2byi_DefinedContributionPlanEmployerMatchingContributionVestingPercentPeriodForParticipantsHiredOnOrAfter1stJanuary2001byi_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse005 yearsfalsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:durationItemTypenaRepresents the employer match vesting schedule for employees hired on or after January 1, 2001.No definition available.false0Vesting period of employer match, for employees hired on or after January 1, 20019false 2byi_PercentageOfEmployerMatchingContributionByCompanyForParticipantsEffective1stOctober2005byi_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truetruefalse0.250.25falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalsenum:percentItemTypepurePercentage of matching contribution by the Company vesting annually under the 401(k) plan for participants effective 1st October, 2005.No definition available.false0Percentage of employer contribution vesting annually for employees effective October 1, 200510false 2byi_DefinedContributionPlanEmployerMatchingContributionVestingPercentPeriodForParticipantsEffective1stOctober2005byi_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse004 yearsfalsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:durationItemTypenaRepresents the employer match vesting schedule effective October 1, 2005.No definition available.false0Vesting period of employer match, effective October 1, 2005false401(k) PLAN (Details) (USD $)HundredThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.ballytech.com/role/Disclosure401KPlanDetails310