CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 29, 2023	Apr. 30, 2022
Cash flows from operating activities:
Net income	$ 51,523	$ 19,536
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	37,271	36,637
Non-cash lease expense	8,528	7,878
Deferred income tax provision	1,975	2,119
Stock-based compensation	6,620	3,128
Provision for bad debt, net	436	32
Gain on sale of fixed assets	(7,816)	(5,389)
Amortization of debt issuance costs and other	917	745
Change in operating assets and liabilities:
Accounts receivable, net	(118,295)	(99,085)
Contract assets, net	(8,675)	(11,595)
Other current assets and inventories	(16,264)	(28,901)
Other assets	791	818
Income taxes receivable/payable	(5,641)	(2,041)
Accounts payable	(10,491)	21,612
Accrued liabilities, insurance claims, operating lease liabilities, and other liabilities	(25,996)	(10,409)
Net cash used in operating activities	(85,117)	(64,915)
Cash flows from investing activities:
Capital expenditures	(42,920)	(38,405)
Proceeds from sale of assets	9,312	5,375
Net cash used in investing activities	(33,608)	(33,030)
Cash flows from financing activities:
Principal payments on senior credit agreement, including term loan	(4,375)	(4,375)
Repurchase of common stock	(20,298)	(18,539)
Exercise of stock options	225	1,202
Restricted stock tax withholdings	(9,616)	(5,532)
Net cash used in financing activities	(34,064)	(27,244)
Net decrease in cash, cash equivalents and restricted cash	(152,789)	(125,189)
Cash, cash equivalents and restricted cash at beginning of period (Note 7)	225,990	312,561
Cash, cash equivalents and restricted cash at end of period (Note 7)	73,201	187,372
Supplemental disclosure of other cash flow activities and non-cash investing and financing activities:
Cash paid for interest	17,245	13,640
Cash paid (refunded) for taxes, net	18,201
Cash paid (refunded) for taxes, net		(26)
Purchases of capital assets included in accounts payable or other accrued liabilities at period end	$ 7,467	$ 5,341