Note 7 - Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Net Sales by Segment
	Year Ended December 31, 2019
Product Classes	Domestic		International		Total
Residential products	$	1,086,019	$	57,704	$	1,143,723
Commercial & industrial products		513,482		358,113		871,595
Other		143,397		45,621		189,018
Total net sales	$	1,742,898	$	461,438	$	2,204,336

	Year Ended December 31, 2018
Product Classes	Domestic		International		Total
Residential products	$	980,707	$	62,032	$	1,042,739
Commercial & industrial products		461,415		358,855		820,270
Other		124,398		36,057		160,455
Total net sales	$	1,566,520	$	456,944	$	2,023,464

	Year Ended December 31, 2017
Product Classes	Domestic		International		Total
Residential products	$	796,237	$	74,253	$	870,490
Commercial & industrial products		372,635		311,718		684,353
Other		102,806		21,724		124,530
Total net sales	$	1,271,678	$	407,695	$	1,679,373

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Adjusted EBITDA
	Year Ended December 31,
	2019			2018			2017
Domestic	$	428,667		$	388,495		$	282,450
International		25,448			36,057			34,850
Total adjusted EBITDA	$	454,115		$	424,552		$	317,300
Interest expense		(41,544	)		(40,956	)		(42,667	)
Depreciation and amortization		(60,767	)		(47,408	)		(51,988	)
Non-cash write-down and other adjustments (1)		(240	)		(3,532	)		(2,923	)
Non-cash share-based compensation expense (2)		(16,694	)		(14,563	)		(10,205	)
Loss on extinguishment of debt (3)		(926	)		(1,332	)		-
Loss on pension settlement (4)		(10,920	)		-			-
Transaction costs and credit facility fees (5)		(2,724	)		(3,883	)		(2,145	)
Business optimization expenses (6)		(1,572	)		(952	)		(2,912	)
Other		879			(850	)		(761	)
Income before provision for income taxes	$	319,607		$	311,076		$	203,699

	Assets
	Year Ended December 31,
	2019		2018		2017
Domestic	$	2,123,251	$	1,868,554	$	1,612,607
International		542,418		557,760		413,358
Total	$	2,665,669	$	2,426,314	$	2,025,965

	Depreciation and Amortization
	Year Ended December 31,
	2019		2018		2017
Domestic	$	46,145	$	35,586	$	37,962
International		14,764		11,822		14,026
Total	$	60,909	$	47,408	$	51,988

	Capital Expenditures
	Year Ended December 31,
	2019		2018		2017
Domestic	$	36,007	$	38,242	$	29,258
International		24,795		9,359		4,003
Total	$	60,802	$	47,601	$	33,261

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

	Year Ended December 31,
	2019		2018		2017
Residential Products	$	7,129	$	9,924	$	18,888
Commercial & industrial products		5,724		2,651		12,940
Other		998		1,230		-
Total Net Sales	$	13,851	$	13,805	$	31,828
Adjusted EBITDA	$	984	$	190	$	7,840