CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jul. 28, 2018	Jul. 29, 2017
OPERATING ACTIVITIES:
Net income	$ 47,131	$ 82,504
Adjustments to reconcile net income to net cash provided by operating activities, net of acquisitions:
Depreciation and amortization	88,160	77,655
Deferred income tax provision	7,055	9,547
Stock-based compensation	10,911	9,789
Bad debt (recovery) expense, net	(38)	58
Gain on sale of fixed assets	(13,324)	(11,694)
Amortization of debt discount	9,422	8,924
Amortization of debt issuance costs and other	1,789	1,689
Excess tax benefit from share-based awards	0	(1,612)
Change in operating assets and liabilities:
Accounts receivable, net	(48,835)	(52,176)
Contract assets, net	(110,478)	2,596
Other current assets and inventory	(12,842)	4,427
Other assets	719	1,312
Income taxes receivable/payable	6,964	20,150
Accounts payable	24,276	15,671
Accrued liabilities, insurance claims, and other liabilities	26,280	23,412
Net cash provided by operating activities	37,190	192,252
INVESTING ACTIVITIES:
Cash paid for acquisitions, net of cash acquired	(20,917)	(26,070)
Capital expenditures	(80,537)	(124,323)
Proceeds from sale of assets	14,965	11,695
Other investing activities	1,576	629
Net cash used in investing activities	(84,913)	(138,069)
FINANCING ACTIVITIES:
Proceeds from borrowings on senior credit agreement, including term loans	60,000	275,000
Principal payments on senior credit agreement, including term loans	(72,031)	(284,188)
Repurchase of common stock	0	(37,909)
Exercise of stock options	381	961
Restricted stock tax withholdings	(94)	(542)
Excess tax benefit from share-based awards	0	1,612
Net cash used in financing activities	(11,744)	(45,066)
Net (decrease) increase in cash and equivalents and restricted cash	(59,467)	9,117
CASH AND EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD	90,182	34,899
CASH AND EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD	30,715	44,016
SUPPLEMENTAL DISCLOSURE OF OTHER CASH FLOW ACTIVITIES AND NON-CASH INVESTING AND FINANCING ACTIVITIES:
Cash paid for interest	9,292	8,397
Cash paid for taxes, net	4,594	18,521
Purchases of capital assets included in accounts payable or other accrued liabilities at period end	$ 8,934	$ 21,978