XML 68 R57.htm IDEA: XBRL DOCUMENT v3.20.2
Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 24, 2020
Oct. 26, 2019
Oct. 24, 2020
Oct. 26, 2019
Jan. 25, 2020
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]          
Amortization of intangible assets $ 5,000 $ 5,300 $ 15,500 $ 15,900  
Intangible Assets, Gross (Excluding Goodwill) 327,267   327,267   $ 327,267
Accumulated Amortization 202,776   202,776   187,322
Intangible Assets, Net 124,491   124,491   139,945
UtiliQuest          
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]          
Intangible Assets, Gross (Excluding Goodwill) 4,700   4,700   4,700
Accumulated Amortization 0   0   0
Intangible Assets, Net $ 4,700   4,700   4,700
Customer relationships          
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]          
Usesul life 9 years 7 months 6 days        
Intangible Assets, Gross (Excluding Goodwill) $ 312,017   312,017   312,017
Accumulated Amortization 193,530   193,530   178,411
Intangible Assets, Net $ 118,487   118,487   133,606
Trade names          
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]          
Usesul life 8 years 1 month 6 days        
Intangible Assets, Gross (Excluding Goodwill) $ 10,350   10,350   10,350
Accumulated Amortization 9,046   9,046   8,732
Intangible Assets, Net 1,304   1,304   1,618
Non-compete agreements          
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]          
Intangible Assets, Gross (Excluding Goodwill) 200   200   200
Accumulated Amortization 200   200   179
Intangible Assets, Net $ 0   $ 0   $ 21