CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jul. 30, 2022	Jul. 31, 2021
Cash flows from operating activities:
Net income	$ 63,392	$ 19,063
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	71,981	77,542
Non-cash lease expense	15,767	15,986
Deferred income tax provision	6,699	6,412
Stock-based compensation	7,758	6,049
Amortization of debt discount	0	1,329
Provision for bad debt, net	134	2,901
Gain on sale of fixed assets	(8,856)	(3,844)
Loss on debt extinguishment	0	62
Amortization of debt issuance costs and other	1,443	1,392
Change in operating assets and liabilities:
Accounts receivable, net	(222,831)	(73,898)
Contract assets, net	(23,518)	32,803
Other current assets and inventories	(30,658)	(13,064)
Other assets	2,556	2,235
Income taxes receivable/payable	6,460	(14,193)
Accounts payable	29,295	8,737
Accrued liabilities, insurance claims, operating lease liabilities, and other liabilities	3,429	(10,706)
Net cash (used in) provided by operating activities	(76,949)	58,806
Cash flows from investing activities:
Capital expenditures	(80,932)	(68,352)
Proceeds from sale of assets	8,830	4,235
Net cash used in investing activities	(72,102)	(64,117)
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	(8,750)	(271,875)
Debt issuance costs	0	(11,638)
Repurchase of common stock	(28,532)	(50,000)
Exercise of stock options	1,405	366
Restricted stock tax withholdings	(5,551)	(6,365)
Net cash (used in) provided by financing activities	(41,428)	255,488
Net (decrease) increase in cash, cash equivalents and restricted cash	(190,479)	250,177
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)	122,082	263,751
Supplemental disclosure of other cash flow activities and non-cash investing and financing activities:
Cash paid for interest	16,641	4,997
Cash paid for taxes, net	1,897	12,294
Purchases of capital assets included in accounts payable or other accrued liabilities at period end	$ 8,238	$ 9,736