Note 2 - Acquisition (Details) - Components of Fair Value of Acquisitions and Allocation of Purchase Price (Details) $ in Thousands	Sep. 04, 2014 USD ($)
Enginetics [Member]
Payments to Acquire Businesses, Gross	$ 55,021
Less: cash acquired	(113)
Payments to Acquire Businesses, Net of Cash Acquired	54,908
Current Assets	12,134
Property, plant, and equipment	8,881
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	10,600
Goodwill	33,146
Other non-current assets	158
Liabilities assumed	(2,858)
Deferred taxes	(7,153)
Total	$ 54,908

Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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