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v2.4.0.6

Note 6 - Debt (Tables) | 6 Months Ended
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Jul. 01, 2012
Credit Facility, Variable Interest Rate [Table Text Block] |
Excess Availability |  | LIBOR Rate Plus |
Greater than $10,000 |  |  | 3.00 | %
Greater than $6,000 but less than or equal to $10,000 |  |  | 3.25 | %
Greater than $3,000 but less than or equal to $6,000 |  |  | 3.50 | %

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- Definition Credit Facility, Variable Interest Rate Table + References No definition available. + Details
Name: | ulbi_CreditFacilityVariableInterestRateTableTextBlock
Namespace Prefix: | ulbi_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration