Name:	cub_DebtInstrumentIncreaseAdditionalBorrowingsToBeIssued
Namespace Prefix:	cub_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the period of time between issuance and maturity of debt instrument.

No definition available.

Name:	cub_DebtInstrumentTerm
Namespace Prefix:	cub_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the period of the derivative forward or futures contract.

No definition available.

Name:	cub_DerivativeTermOfContract
Namespace Prefix:	cub_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the minimum commitment amount for hedging risk by using foreign currency exchange forward and option contracts.

No definition available.

Name:	cub_MinimumCommitmentExposureForHedging
Namespace Prefix:	cub_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Represents the number of days prior to first days of each calculation period for floating reset.

No definition available.

Name:	cub_NumberOfDaysForFloatingResetDatesPriorToFirstDayOfEachCalculationPeriod
Namespace Prefix:	cub_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the number of projected semi-annual interest cash flow installment under derivative contracts.

No definition available.

Name:	cub_NumberOfProjectedSemiAnnualCashFlows
Namespace Prefix:	cub_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

Fixed interest rate related to the interest rate derivative.

No definition available.

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 45

-Subparagraph b(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.