Note 7 - Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Net Sales by Segment
	Three Months Ended March 31, 2020
Product Classes	Domestic		International		Total
Residential products	$	243,830	$	13,789	$	257,619
Commercial & industrial products		95,827		76,239		172,066
Other		36,373		9,857		46,230
Total net sales	$	376,030	$	99,885	$	475,915

	Net Sales by Segment
	Three Months Ended March 31, 2019
Product Classes	Domestic		International		Total
Residential products	$	204,259	$	13,571	$	217,830
Commercial & industrial products		120,825		88,299		209,124
Other		31,414		11,985		43,399
Total net sales	$	356,498	$	113,855	$	470,353

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

	Adjusted EBITDA
	Three Months Ended March 31,
	2020			2019
Domestic	$	82,775		$	81,228
International		3,250			5,900
Total adjusted EBITDA	$	86,025		$	87,128
Interest expense		(9,053	)		(10,272	)
Depreciation and amortization		(16,116	)		(12,607	)
Non-cash write-down and other adjustments (1)		(2,284	)		1,400
Non-cash share-based compensation expense (2)		(4,574	)		(3,594	)
Transaction costs and credit facility fees (3)		(234	)		(1,286	)
Business optimization expenses (4)		(512	)		(169	)
Other		(397	)		154
Income before provision for income taxes	$	52,855		$	60,754