CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Oct. 27, 2018	Oct. 28, 2017
OPERATING ACTIVITIES:
Net income	$ 74,961	$ 111,280
Adjustments to reconcile net income to net cash provided by operating activities, net of acquisitions:
Depreciation and amortization	133,694	120,306
Deferred income tax provision	15,142	10,065
Stock-based compensation	18,277	17,169
Bad debt (recovery) expense, net	(73)	263
Gain on sale of fixed assets	(17,198)	(18,189)
Amortization of debt discount	14,223	13,471
Amortization of debt issuance costs and other	2,712	2,548
Excess tax benefit from share-based awards	0	(1,612)
Change in operating assets and liabilities:
Accounts receivable, net	(213,707)	(30,308)
Contract assets, net	(88,388)	(17,348)
Other current assets and inventory	(16,540)	(3,303)
Other assets	(26,621)	2,322
Income taxes receivable/payable	8,269	35,588
Accounts payable	35,667	10,332
Accrued liabilities, insurance claims, and other liabilities	41,245	(3,506)
Net cash provided by operating activities	(18,337)	249,078
INVESTING ACTIVITIES:
Cash paid for acquisitions, net of cash acquired	(20,917)	(26,070)
Capital expenditures	(127,800)	(180,346)
Proceeds from sale of assets	19,614	20,533
Other investing activities	1,576	629
Net cash used in investing activities	(127,527)	(185,254)
FINANCING ACTIVITIES:
Proceeds from borrowings on senior credit agreement, including term loans	423,188	275,000
Principal payments on senior credit agreement, including term loans	(331,250)	(289,001)
Payments of Financing Costs	(6,684)	0
Repurchase of common stock	0	(54,784)
Exercise of stock options	501	1,165
Restricted stock tax withholdings	(1,751)	(1,877)
Excess tax benefit from share-based awards	0	1,612
Net cash provided by (used in) financing activities	84,004	(67,885)
Net decrease in cash and equivalents and restricted cash	(61,860)	(4,061)
CASH AND EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD	90,182	34,899
CASH AND EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD	28,322	30,838
SUPPLEMENTAL DISCLOSURE OF OTHER CASH FLOW ACTIVITIES AND NON-CASH INVESTING AND FINANCING ACTIVITIES:
Cash paid for interest	16,478	13,645
Cash paid for taxes, net	5,652	19,075
Purchases of capital assets included in accounts payable or other accrued liabilities at period end	6,482	4,077
Debt financing costs included in other accrued liabilities at period end	$ 563	$ 0