CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Apr. 28, 2018	Apr. 29, 2017
OPERATING ACTIVITIES:
Net income	$ 17,231	$ 38,796
Adjustments to reconcile net income to net cash provided by operating activities, net of acquisitions:
Depreciation and amortization	43,355	37,411
Deferred income tax provision (benefit)	5,383	(2,769)
Stock-based compensation	4,863	4,915
Bad debt (recovery) expense, net	(24)	98
Gain on sale of fixed assets	(8,415)	(5,048)
Amortization of debt discount	4,672	4,425
Amortization of debt issuance costs and other	887	835
Excess tax benefit from share-based awards	0	(1,274)
Change in operating assets and liabilities:
Accounts receivable, net	(8,552)	(31,164)
Contract assets, net	(44,133)	(44,636)
Other current assets and inventory	(10,533)	(5,680)
Other assets	(212)	330
Income taxes receivable/payable	(568)	20,643
Accounts payable	13,169	13,338
Accrued liabilities, insurance claims, and other liabilities	7,454	12,102
Net cash provided by operating activities	24,577	42,322
INVESTING ACTIVITIES:
Cash paid for acquisitions, net of cash acquired	(20,917)	(26,427)
Capital expenditures	(34,497)	(58,312)
Proceeds from sale of assets	8,011	5,753
Other investing activities	1,576	628
Net cash used in investing activities	(45,827)	(78,358)
FINANCING ACTIVITIES:
Proceeds from borrowings on senior credit agreement, including term loans	0	208,000
Principal payments on senior credit agreement, including term loans	(4,813)	(146,188)
Repurchase of common stock	0	(37,909)
Exercise of stock options	67	946
Restricted stock tax withholdings	(87)	(221)
Excess tax benefit from share-based awards	0	1,274
Net cash (used in) provided by financing activities	(4,833)	25,902
Net decrease in cash and equivalents and restricted cash	(26,083)	(10,134)
CASH AND EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD	90,182	34,899
CASH AND EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD	64,099	24,765
SUPPLEMENTAL DISCLOSURE OF OTHER CASH FLOW ACTIVITIES AND NON-CASH INVESTING AND FINANCING ACTIVITIES:
Cash paid for interest	5,415	4,907
Cash paid for taxes, net	2,322	4,962
Purchases of capital assets included in accounts payable or other accrued liabilities at period end	$ 6,769	$ 9,579