Concentration of Credit Risk

9 Months Ended

Apr. 25, 2015

Risks and Uncertainties [Abstract]

Concentration of Credit Risk

Concentration of Credit Risk

The Company’s customer base is highly concentrated, with its top five customers in each period accounting for approximately 60.1% and 58.5% of its total revenues during the nine months ended April 25, 2015 and April 26, 2014, respectively. Customers whose revenues exceeded 10% of total revenue during the three or nine months ended April 25, 2015 or April 26, 2014 were as follows:

	For the Three Months Ended		For the Nine Months Ended
	April 25, 2015	April 26, 2014	April 25, 2015	April 26, 2014
AT&T Inc.	21.3%	20.8%	21.5%	18.9%
CenturyLink, Inc.	13.9%	12.8%	13.7%	14.3%
Comcast Corporation	13.3%	12.1%	13.0%	11.5%

Customers representing 10% or more of combined amounts of trade accounts receivable and costs and estimated earnings in excess of billings, net ("CIEB, net") as of April 25, 2015 or July 26, 2014 had the following outstanding balances and the related percentage of the Company’s total outstanding balances:

	April 25, 2015				July 26, 2014
	Amount		% of Total		Amount		% of Total
			(Dollars in millions)
AT&T Inc.	$	103.5	20.7	%	$	87.6	17.9	%
CenturyLink, Inc.	$	56.2	11.2	%	$	48.2	9.8	%
Comcast Corporation	$	55.5	11.1	%	$	48.9	9.9	%

In addition, another customer represented $51.0 million, or 10.2%, of combined amounts of trade accounts receivable and CIEB, net as of April 25, 2015 and $20.5 million, or 4.7%, as of July 26, 2014.