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Segment Information - Schedule of Reconciling Information by Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Net Sales	$ 1,787,021	$ 1,631,300
Depreciation & Amortization	29,400	23,576
Interest	51,931	24,901
Income before income taxes	9,016	46,990
Operating Segments
Segment Reporting Information [Line Items]
Net Sales	1,712,528	1,567,384
Depreciation & Amortization	21,765	17,434
Interest	25,223	25,400
Income before income taxes	48,946	53,106
Operating Segments | Northeast
Segment Reporting Information [Line Items]
Net Sales	295,573	285,789
Depreciation & Amortization	3,497	3,205
Interest	4,931	5,177
Income before income taxes	4,616	7,244
Operating Segments | Southeast
Segment Reporting Information [Line Items]
Net Sales	400,384	386,673
Depreciation & Amortization	3,843	3,033
Interest	5,306	5,582
Income before income taxes	16,577	17,256
Operating Segments | South
Segment Reporting Information [Line Items]
Net Sales	499,804	458,609
Depreciation & Amortization	6,831	4,832
Interest	5,664	5,900
Income before income taxes	23,333	29,010
Operating Segments | West
Segment Reporting Information [Line Items]
Net Sales	516,767	436,313
Depreciation & Amortization	7,594	6,364
Interest	9,322	8,741
Income before income taxes	4,420	(404)
All other
Segment Reporting Information [Line Items]
Net Sales	74,493	63,916
Depreciation & Amortization	7,635	6,142
Interest	26,708	(499)
Income before income taxes	$ (39,930)	$ (6,116)

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