Revenue Revenue (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

The following table reflects the Company’s estimate of net sales by each customer type for the years ended December 31, 2019, 2018 and 2017.

	Year Ended December 31,
(in thousands)	2019		2018		2017
Single-family homebuilders	$	2,713,857	$	2,814,100	$	2,526,837
Remodeling contractors	419,533		427,346		380,460
Multi-family, commercial & other contractors	493,203		441,002		458,671
Total net sales	$	3,626,593	$	3,682,448	$	3,365,968

Contract assets and liabilities

The following table reflects the Company’s contract balances as of December 31, 2019 and 2018:

(in thousands)	December 31, 2019		December 31, 2018		Change
Receivables, including unbilled receivables presented in prepaid expenses and other current assets	$	333,044	$	306,370	$	26,674
Contract assets	32,125		32,348		(223		)
Contract liabilities	$	31,094	$	34,888	$	(3,794	)