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Note 2 - Acquisitions (Details Textual) - USD ($) $ in Thousands	Jan. 13, 2022	Jan. 13, 2021	Feb. 03, 2020	Feb. 27, 2021	Nov. 28, 2020	May 30, 2020
Goodwill, Ending Balance				$ 1,322,160	$ 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
Goodwill, Ending Balance		849
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total		5,900
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets		1,196
Business Combination, Contingent Consideration, Liability, Total		$ 1,700		1,700
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
Goodwill, Ending Balance						$ 1,063
Business Combination, Contingent Consideration, Liability, Total			5,000	$ 5,800
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