XML 59 R44.htm IDEA: XBRL DOCUMENT v3.7.0.1
Concentration of Credit Risk (Tables)
 12 Months Ended
Jul. 29, 2017
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 contract revenues exceeded 10% of total contract revenues during fiscal 2017, 2016, or 2015 were as follows:
 
Fiscal Year Ended
 
2017
 
2016
 
2015
AT&T Inc.
26.3%
 
24.4%
 
20.8%
Comcast Corporation
17.7%
 
13.6%
 
12.9%
CenturyLink, Inc.
17.5%
 
14.5%
 
14.2%
Verizon Communications Inc.(1)
9.2%
 
11.2%
 
7.7%
Customers whose combined amounts of trade accounts receivable and costs and estimated earnings in excess of billings, net (“CIEB, net”) exceeded 10% of total combined trade receivables and CIEB, net as of July 29, 2017 or July 30, 2016 were as follows (dollars in millions):
 
July 29, 2017
 
July 30, 2016
 
Amount
 
% of Total
 
Amount
 
% of Total
Comcast Corporation
$
159.7

 
21.3%
 
$
95.3

 
13.9%
CenturyLink, Inc.
$
136.1

 
18.1%
 
$
79.0

 
11.5%
AT&T Inc.
$
87.1

 
11.6%
 
$
138.8

 
20.3%
Windstream Corporation
$
84.7

 
11.3%
 
$
79.0

 
11.5%
Verizon Communications Inc.(1)
$
73.7

 
9.8%
 
$
70.2

 
10.2%

(1) For comparison purposes in the above tables, amounts from Verizon Communications Inc. and XO Communications LLC’s fiber-optic network business have been combined for periods prior to their February 2017 merger.