Net Sales (Tables)

12 Months Ended

Sep. 30, 2019

Revenue From Contract With Customer [Abstract]

Summary of Net Sales by Product Line and Geography

The following table presents the Company’s net sales by product line and geography for the year ended September 30, 2019 (in thousands):

	Year Ended September 30, 2019
	U.S.		Canada		Total
Residential roofing products	$	3,023,266	$	56,362	$	3,079,628
Non-residential roofing products		1,582,757		122,421		1,705,178
Complementary building products		2,312,496		7,858		2,320,354
Total net sales	$	6,918,519	$	186,641	$	7,105,160