The payments to acquire businesses based on the difference between actual and estimated amounts of working capital.

No definition available.

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Namespace Prefix:	ulbi_
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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

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Period Type:	duration

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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-Paragraph 8
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Period Type:	duration

- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 2
-Subparagraph (h)(1)
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Data Type:	xbrli:monetaryItemType
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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

+ Details

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Period Type:	duration

- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
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-Subparagraph (c)
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- Definition

Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 50
-Paragraph 1
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-Paragraph 1
-Subparagraph (SX 210.5-02.6(b))
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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
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- Details

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- Details

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- Details

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- Details

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Note 2 - Acquisition (Details Textual) - Accutronics Limited [Member] £ in Thousands, $ in Thousands					3 Months Ended
	Feb. 24, 2016 USD ($)	Feb. 24, 2016 GBP (£)	Jan. 13, 2016 USD ($)	Jan. 13, 2016 GBP (£)	Mar. 27, 2016 USD ($)
Payments to Acquire Businesses, Gross			$ 10,976	£ 7,575
Payments to Acquire Businesses, Net of Cash Acquired Working Capital Adjustment \| £		£ 133
Business Combination, Consideration Transferred	$ 11,161	£ 7,708
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			$ 4,374
Business Combination, Acquisition Related Costs					$ 251
Inventory Adjustments					91
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual					2,486
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual					$ (275)
Minimum [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years	10 years
Maximum [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years	15 years
Customer Contracts and Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 2,821
Intellectual Property [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	1,132
Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 421