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Note 7 - Segment Reporting - Net Sales by Products and Services (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Net sales	$ 1,114,353	$ 1,173,563	$ 3,117,643	$ 3,061,033
Residential Power Products [Member]
Net sales	626,706	722,787	1,695,046	1,690,136
Commercial and Industrial Power Products [Member]
Net sales	358,273	327,956	1,057,849	1,026,095
Other Products and Services [Member]
Net sales	129,374	122,820	364,748	344,802
Domestic [Member]
Net sales	933,646	1,011,347	2,586,519	2,541,242
Domestic [Member] | Residential Power Products [Member]
Net sales	605,444	701,781	1,632,048	1,629,100
Domestic [Member] | Commercial and Industrial Power Products [Member]
Net sales	212,875	199,339	635,356	606,147
Domestic [Member] | Other Products and Services [Member]
Net sales	115,327	110,227	319,115	305,995
International [Member]
Net sales	180,707	162,216	531,124	519,791
International [Member] | Residential Power Products [Member]
Net sales	21,262	21,006	62,998	61,036
International [Member] | Commercial and Industrial Power Products [Member]
Net sales	145,398	128,617	422,493	419,948
International [Member] | Other Products and Services [Member]
Net sales	$ 14,047	$ 12,593	$ 45,633	$ 38,807

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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