CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Apr. 27, 2019	Apr. 28, 2018
REVENUES:
Contract revenues	$ 833,743	$ 731,375
EXPENSES:
Costs of earned revenues, excluding depreciation and amortization	701,767	599,573
General and administrative (including stock-based compensation expense of $3.5 million and $4.9 million, respectively)	58,622	62,283
Depreciation and amortization	46,341	43,355
Total	806,730	705,211
Interest expense, net	(12,233)	(10,166)
Other income, net	5,698	7,711
Income before income taxes	20,478	23,709
Provision (benefit) for income taxes:
Current	620	1,095
Deferred	5,579	5,383
Total provision for income taxes	6,199	6,478
Net income	$ 14,279	$ 17,231
Earnings per common share:
Basic earnings per common share (in dollars per share)	$ 0.45	$ 0.55
Diluted earnings per common share (in dollars per share)	$ 0.45	$ 0.53
Shares used in computing earnings per common share:
Basic (in shares)	31,451,809	31,190,366
Diluted (in shares)	31,786,459	32,407,914