Net Sales

6 Months Ended

Mar. 31, 2021

Revenue From Contract With Customer [Abstract]

Net Sales

4. Net Sales

The following table presents the Company’s net sales by product line and geography (in millions):

	U.S.		Canada		Total
Three Months Ended March 31, 2021
Residential roofing products	$	686.1	$	8.9	$	695.0
Non-residential roofing products		305.9		23.8		329.7
Complementary building products		291.6		1.7		293.3
Total net sales	$	1,283.6	$	34.4	$	1,318.0
Three Months Ended March 31, 2020
Residential roofing products	$	569.9	$	15.5	$	585.4
Non-residential roofing products		293.4		50.3		343.7
Complementary building products		264.7		3.3		268.0
Total net sales	$	1,128.0	$	69.1	$	1,197.1
Six Months Ended March 31, 2021
Residential roofing products	$	1,517.5	$	22.4	$	1,539.9
Non-residential roofing products		671.9		56.0		727.9
Complementary building products		622.6		4.1		626.7
Total net sales	$	2,812.0	$	82.5	$	2,894.5
Six Months Ended March 31, 2020
Residential roofing products	$	1,266.8	$	15.5	$	1,282.3
Non-residential roofing products		705.4		50.3		755.7
Complementary building products		571.2		3.3		574.5
Total net sales	$	2,543.4	$	69.1	$	2,612.5