Customer Concentration and Revenue Information (Tables)

9 Months Ended

Oct. 30, 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 October 30, 2021 or January 30, 2021 were as follows (dollars in millions):

	October 30, 2021			January 30, 2021
	Amount		% of Total	Amount		% of Total
Verizon Communications Inc.	$	233.5	22.1%	$	389.9	37.4%
Lumen Technologies(1)	$	177.4	16.8%	$	173.5	16.6%
Comcast Corporation	$	131.5	12.4%	$	131.7	12.6%
AT&T Inc.	$	107.0	10.1%	$	71.7	6.9%

Customers whose contract revenues exceeded 10% of total contract revenues during the three and nine months ended October 30, 2021 or October 24, 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 Nine Months Ended
	October 30, 2021			October 24, 2020			October 30, 2021			October 24, 2020
	Amount		% of Total	Amount		% of Total	Amount		% of Total	Amount		% of Total
AT&T Inc.	$	199.5	23.4%	$	118.9	14.7%	$	532.6	22.5%	$	407.5	16.6%
Comcast Corporation	121.0		14.2	143.6		17.7	373.8		15.8	393.0		16.0
Lumen Technologies(1)	103.0		12.1	134.4		16.6	284.2		12.0	441.5		18.0
Verizon Communications Inc.	93.4		10.9	144.8		17.9	275.7		11.6	483.8		19.8
Total other customers combined	337.1		39.5	268.6		33.1	902.7		38.1	722.7		29.5
Total contract revenues	$	854.0	100.0%	$	810.3	100.0%	$	2,369.0	100.0%	$	2,448.5	100.0%

Total contract revenues by customer type during the three and nine months ended October 30, 2021 and October 24, 2020 were as follows (dollars in millions):

	For the Three Months Ended						For the Nine Months Ended
	October 30, 2021			October 24, 2020			October 30, 2021			October 24, 2020
	Amount		% of Total	Amount		% of Total	Amount		% of Total	Amount		% of Total
Telecommunications	$	757.9	88.8%	$	721.2	89.0%	$	2,095.1	88.4%	$	2,193.9	89.6%
Underground facility locating	67.6		7.9	59.0		7.3	198.2		8.4	171.3		7.0
Electrical and gas utilities and other	28.5		3.3	30.1		3.7	75.7		3.2	83.3		3.4
Total contract revenues	$	854.0	100.0%	$	810.3	100.0%	$	2,369.0	100.0%	$	2,448.5	100.0%