CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Oct. 28, 2023	Oct. 29, 2022
Cash flows from operating activities:
Net income	$ 195,505	$ 117,404
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	117,786	107,436
Non-cash lease expense	26,035	23,775
Deferred income tax (benefit) provision	(2,224)	3,742
Stock-based compensation	19,240	12,273
Provision for bad debt, net	1,028	2,149
Gain on sale of fixed assets	(23,730)	(13,991)
Amortization of debt issuance costs and other	2,295	2,140
Change in operating assets and liabilities:
Accounts receivable, net	(361,051)	(350,734)
Contract assets, net	(11,265)	(32,874)
Other current assets and inventories	(5,695)	(37,753)
Other assets	701	4,238
Income taxes payable/receivable	(14,602)	22,081
Accounts payable	(3,503)	42,143
Accrued liabilities, insurance claims, operating lease liabilities, and other liabilities	(6,631)	16,515
Net cash used in operating activities	(66,111)	(81,456)
Cash flows from investing activities:
Capital expenditures	(161,133)	(135,777)
Proceeds from sale of assets	30,526	14,486
Cash paid for acquisitions, net of cash acquired	(122,902)	0
Net cash used in investing activities	(253,509)	(121,291)
Cash flows from financing activities:
Proceeds from borrowings on senior credit agreement, including term loan	475,000	0
Principal payments on senior credit agreement, including term loan	(334,125)	(13,125)
Repurchase of common stock	(20,298)	(28,532)
Exercise of stock options	304	4,557
Restricted stock tax withholdings	(9,782)	(5,625)
Net cash provided by (used in) financing activities	111,099	(42,725)
Net decrease in cash, cash equivalents and restricted cash	(208,521)	(245,472)
Cash, cash equivalents and restricted cash at beginning of period (Note 8)	225,990	312,561
Cash, cash equivalents and restricted cash at end of period (Note 8)	17,469	67,089
Supplemental disclosure of other cash flow activities and non-cash investing and financing activities:
Cash paid for interest	41,897	32,338
Cash paid for taxes, net	81,892	3,811
Purchases of capital assets included in accounts payable or other accrued liabilities at period end	$ 11,433	$ 9,513