Property and Equipment (Tables)

6 Months Ended

Jan. 27, 2018

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment consisted of the following (dollars in thousands):

	Estimated Useful Lives (Years)	January 27, 2018			July 29, 2017			July 30, 2016
Land	—	$	3,470		$	3,470		$	3,475
Buildings	10-35	12,315			12,073			11,969
Leasehold improvements	1-10	14,202			13,912			13,753
Vehicles	1-5	536,379			496,820			404,273
Computer hardware and software	1-7	117,058			107,779			95,570
Office furniture and equipment	1-10	11,686			12,226			10,374
Equipment and machinery	1-10	273,712			288,993			242,079
Total		968,822			935,273			781,493
Less: accumulated depreciation		(554,054		)	(513,166		)	(454,823		)
Property and equipment, net		$	414,768		$	422,107		$	326,670

Depreciation expense and repairs and maintenance were as follows (dollars in thousands):

	Six Months Ended		Fiscal Year Ended
	January 27, 2018		July 29, 2017		July 30, 2016		July 25, 2015
Depreciation expense	$	72,961	$	123,125	$	105,514	$	79,331
Repairs and maintenance expense	$	16,438	$	31,272	$	29,487	$	22,054