XML 57 R42.htm IDEA: XBRL DOCUMENT v3.10.0.1

Goodwill and Intangible Assets (Tables)

12 Months Ended

Jan. 26, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The Company’s goodwill balance was $325.7 million and $321.7 million as of January 26, 2019 and January 27, 2018 respectively. Changes in the carrying amount of goodwill were as follows (dollars in thousands):

	Goodwill				Accumulated Impairment Losses				Total
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
Goodwill from fiscal 2019 acquisition	4,097				—				4,097
Purchase price allocation adjustments from fiscal 2019 acquisition	(91		)		—				(91		)
Balance as of January 26, 2019	$	521,516			$	(195,767	)		$	325,749

Impairment Calculation Rates

The table below outlines certain assumptions used in the Company’s quantitative impairment analyses for fiscal 2019, the 2018 transition period, fiscal 2017, and fiscal 2016:

	Fiscal Year Ended		Six Months Ended		Fiscal Year Ended
	January 26, 2019		January 27, 2018		July 29, 2017		July 30, 2016
Terminal Growth Rate	2.5% - 3.0%		2.5% - 3.0%		2.0% - 3.0%		2.0% - 3.0%
Discount Rate	11.0%		11.0%		11.0%		11.5%

Schedule of Intangible Assets

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

	January 26, 2019														January 27, 2018
	Weighted Average Remaining Useful Lives (Years)		Gross Carrying Amount				Accumulated Amortization				Intangible Assets, Net				Gross Carrying Amount				Accumulated Amortization				Intangible Assets, Net
Customer relationships	11.1		$	312,017			$	157,691			$	154,326			$	299,717			$	135,544			$	164,173
Trade names	8.0		10,350				8,312				2,038				10,350				7,872				2,478
UtiliQuest trade name	—		4,700				—				4,700				4,700				—				4,700
Non-compete agreements	1.5		200				139				61				450				332				118
			$	327,267			$	166,142			$	161,125			$	315,217			$	143,748			$	171,469

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

As of January 26, 2019, total amortization expense for existing finite-lived intangible assets for the next five fiscal years and thereafter is as follows (dollars in thousands):

		Amount
2020		$	21,180
2021		20,663
2022		17,490
2023		15,334
2024		13,903
Thereafter		67,855
Total		$	156,425

X

- Definition

Impairment Calculation Rates [Table Text Block]

+ References

No definition available.

+ Details

Name:	dy_ImpairmentCalculationRatesTableTextBlock
Namespace Prefix:	dy_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

Name:	us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267

+ Details

Name:	us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

+ Details

Name:	us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration