CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2022	May 01, 2021
Cash flows from operating activities:
Net income	$ 19,536	$ 898
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	36,637	39,079
Non-cash lease expense	7,878	7,866
Deferred income tax provision	2,119	3,799
Stock-based compensation	3,128	3,740
Amortization of debt discount	0	663
Provision for bad debt, net	32	2,823
Gain on sale of fixed assets	(5,389)	(2,852)
Loss on debt extinguishment	0	62
Amortization of debt issuance costs and other	745	636
Change in operating assets and liabilities:
Accounts receivable, net	(99,085)	(12,246)
Contract assets, net	(11,595)	24,629
Other current assets and inventories	(28,901)	(19,067)
Other assets	818	2,222
Income taxes receivable/payable	(2,041)	(7,306)
Accounts payable	21,612	7,699
Accrued liabilities, insurance claims, operating lease liabilities, and other liabilities	(10,409)	(11,134)
Net cash (used in) provided by operating activities	(64,915)	41,511
Cash flows from investing activities:
Capital expenditures	(38,405)	(31,629)
Proceeds from sale of assets	5,375	3,044
Net cash used in investing activities	(33,030)	(28,585)
Cash flows from financing activities:
Proceeds from Issuance of Senior Long-term Debt	0	500,000
Proceeds from borrowings on senior credit agreement, including term loan	0	95,000
Principal payments on senior credit agreement, including term loan	(4,375)	(271,875)
Debt issuance costs	0	(11,211)
Repurchase of common stock	(18,539)	0
Exercise of stock options	1,202	366
Restricted stock tax withholdings	(5,532)	(6,361)
Net cash (used in) provided by financing activities	(27,244)	305,919
Net (decrease) increase in cash, cash equivalents and restricted cash	(125,189)	318,845
Cash, cash equivalents and restricted cash at beginning of period (Note 7)	312,561	13,574
Cash, cash equivalents and restricted cash at end of period (Note 7)	187,372	332,419
Supplemental disclosure of other cash flow activities and non-cash investing and financing activities:
Cash paid for interest	13,640	2,592
Cash (refunded) paid for taxes, net	(26)
Cash (refunded) paid for taxes, net		430
Purchases of capital assets included in accounts payable or other accrued liabilities at period end	5,341	9,149
Debt financing costs included in other accrued liabilities at period end	$ 0	$ 427