Customer Concentration and Revenue Information (Tables)

6 Months Ended

Jul. 31, 2021

Risks and Uncertainties [Abstract]

Schedule that Represents A Significant Portion of the Company’s Customer Base and Each Over 10% of Total Revenue

Customers whose combined amounts of accounts receivable and contract assets, net, exceeded 10% of total combined accounts receivable and contract assets, net, as of July 31, 2021 or January 30, 2021 were as follows (dollars in millions):

	July 31, 2021			January 30, 2021
	Amount		% of Total	Amount		% of Total
Verizon Communications Inc.	$	333.7	30.9%	$	389.9	37.4%
Lumen Technologies(1)	$	163.4	15.1%	$	173.5	16.6%
Comcast Corporation	$	131.5	12.2%	$	131.7	12.6%

Customers whose contract revenues exceeded 10% of total contract revenues during the three and six months ended July 31, 2021 or July 25, 2020, as well as total contract revenues from all other customers combined, were as follows (dollars in millions):

	For the Three Months Ended						For the Six Months Ended
	July 31, 2021			July 25, 2020			July 31, 2021			July 25, 2020
	Amount		% of Total	Amount		% of Total	Amount		% of Total	Amount		% of Total
AT&T Inc.	$	177.5	22.5%	$	134.6	16.3%	$	333.1	22.0%	$	288.6	17.6%
Comcast Corporation	121.7		15.5	131.4		15.9	252.8		16.7	249.3		15.2
Verizon Communications Inc.	90.8		11.5	163.0		19.8	182.3		12.0	339.1		20.7
Lumen Technologies(1)	95.4		12.1	158.4		19.2	181.2		12.0	307.1		18.7
Total other customers combined	302.2		38.4	236.5		28.7	565.7		37.3	454.1		27.7
Total contract revenues	$	787.6	100.0%	$	823.9	100.0%	$	1,515.1	100.0%	$	1,638.2	100.0%

Total contract revenues by customer type during the three and six months ended July 31, 2021 and July 25, 2020 were as follows (dollars in millions):

	For the Three Months Ended						For the Six Months Ended
	July 31, 2021			July 25, 2020			July 31, 2021			July 25, 2020
	Amount		% of Total	Amount		% of Total	Amount		% of Total	Amount		% of Total
Telecommunications	$	697.5	88.6%	$	746.7	90.6%	$	1,337.2	88.3%	$	1,472.7	89.9%
Underground facility locating	65.8		8.3	58.9		7.2	130.7		8.6	112.3		6.9
Electrical and gas utilities and other	24.3		3.1	18.3		2.2	47.2		3.1	53.2		3.2
Total contract revenues	$	787.6	100.0%	$	823.9	100.0%	$	1,515.1	100.0%	$	1,638.2	100.0%