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Note 2 - Acquisitions (Details Textual) - USD ($) $ in Thousands	Jan. 13, 2022	Jan. 13, 2021	Feb. 03, 2020	Aug. 28, 2021	Nov. 28, 2020	May 30, 2020
Goodwill, Ending Balance				$ 1,313,824	$ 1,312,003
STR Holdings, Inc. [Member]
Payments to Acquire Businesses, Gross		$ 5,445
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		1,700
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total				6,700
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets				1,245
Business Combination, Contingent Consideration, Liability, Total		1,700		$ 1,700
Goodwill, Ending Balance		$ 0
STR Holdings, Inc. [Member] \| Forecast [Member]
Payments to Acquire Businesses, Gross	$ 800
D.H.M Adhesives, Inc [Member]
Payments to Acquire Businesses, Gross			$ 9,500
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High			8,100
Business Combination, Contingent Consideration, Liability, Total			5,000
Goodwill, Ending Balance						$ 1,063
Business Combination, Consideration Transferred, Total			$ 14,500
D.H.M Adhesives, Inc [Member] \| Customer Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total						$ 11,900