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Note 2 - Acquisitions (Details Textual) - USD ($) $ in Thousands		12 Months Ended
	May 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Payments to Acquire Businesses, Gross		$ 527,993	$ (0)	$ (0)
Amortization of Intangible Assets		7,600	800	$ 1,300
Operating income		57,248	41,177
Tuthill Corporation [Member]
Business Combination, Consideration Transferred, Total	$ 528,000
Payments to Acquire Businesses, Gross	83,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual		87,400
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual		6,400
Business Combination, Acquisition Related Costs		7,100
Tuthill Corporation [Member] | Acquisition-related Costs [Member]
Operating income			$ 4,000
Tuthill Corporation [Member] | Inventory Step Up [Member]
Amortization of Intangible Assets		1,400
Tuthill Corporation [Member] | Customer Backlog [Member]
Amortization of Intangible Assets		1,500
Tuthill Corporation [Member] | Customer Relationships [Member]
Amortization of Intangible Assets		$ 7,000
Tuthill Corporation [Member] | Senior Term Loan Facility [Member]
Business Combination, Consideration Transferred, Liabilities Incurred	350,000
Tuthill Corporation [Member] | Subordinated Credit Facility [Member]
Business Combination, Consideration Transferred, Liabilities Incurred	90,000
Tuthill Corporation [Member] | Credit Facility [Member]
Business Combination, Consideration Transferred, Liabilities Incurred	$ 5,000

X

- Definition

The pro forma operating income for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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-Topic 230
-SubTopic 10
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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.

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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.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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

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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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