Goodwill and Intangible Assets (Tables)

6 Months Ended

Jan. 27, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The Company’s goodwill balance was $321.7 million, $321.7 million, and $310.2 million as of January 27, 2018, July 29, 2017, and July 30, 2016, respectively. Changes in the carrying amount of goodwill were as follows (dollars in thousands):

	Goodwill			Accumulated Impairment Losses			Total
Balance as of July 25, 2015	$	467,420		$	(195,767	)	$	271,653
Purchase price allocation adjustments	101			—			101
Goodwill from fiscal 2016 acquisitions	38,403			—			38,403
Balance as of July 30, 2016	505,924			(195,767		)	310,157
Goodwill from fiscal 2017 acquisition	10,087			—			10,087
Purchase price allocation adjustments from fiscal 2016 acquisitions	1,504			—			1,504
Balance as of July 29, 2017	517,515			(195,767		)	321,748
Purchase price allocation adjustments from fiscal 2017 acquisition	(5		)	—			(5		)
Balance as of January 27, 2018	$	517,510		$	(195,767	)	$	321,743

Impairment Calculation Rates

The table below outlines certain assumptions used in the Company’s quantitative impairment analyses for the 2018 transition period and fiscal 2017, 2016, and 2015:

	2018	2017	2016	2015
Terminal Growth Rate	2.5% - 3.0%	2.0% - 3.0%	2.0% - 3.0%	1.5% - 2.5%
Discount Rate	11.0%	11.0%	11.5%	11.5%

Schedule of Intangible Assets

The Company’s intangible assets consisted of the following (dollars in thousands):

	Gross Carrying Amount		Accumulated Amortization		Intangible Assets, Net
January 27, 2018:
Customer relationships	$	299,717	$	135,544	$	164,173
Trade names	10,350		7,872		2,478
UtiliQuest trade name	4,700		—		4,700
Non-compete agreements	450		332		118
	$	315,217	$	143,748	$	171,469
July 29, 2017:
Customer relationships	$	299,717	$	124,084	$	175,633
Trade names	10,350		7,285		3,065
UtiliQuest trade name	4,700		—		4,700
Non-compete agreements	450		287		163
	$	315,217	$	131,656	$	183,561
July 30, 2016:
Customer relationships	$	289,955	$	101,012	$	188,943
Trade names	9,800		6,034		3,766
UtiliQuest trade name	4,700		—		4,700
Non-compete agreements	685		329		356
Contract backlog	4,780		4,666		114
	$	309,920	$	112,041	$	197,879

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

As of January 27, 2018, total amortization expense for existing finite-lived intangible assets for the next five fiscal years and thereafter is as follows (dollars in thousands):

	Amount
2019	$	21,656
2020	20,095
2021	19,208
2022	16,740
2023	14,294
Thereafter	74,776
Total	$	166,769