CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 28, 2019	Jul. 29, 2018
Cash flows from operating activities:
Net income (loss)	$ (17,320)	$ 35,551
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	191,485	30,974
Non-cash interest expense	6,233	1,140
Loss on extinguishment of debt	0	21,875
Share-based compensation expense	10,613	8,909
Loss on disposition of business, net	0	5,092
Gain on insurance recovery	0	(4,741)
Non-cash fair value premium on purchased inventory	16,249	0
Gains on asset sales, net	(335)	(875)
Provision for doubtful accounts	(492)	(177)
Deferred income taxes	(45,192)	(1,676)
Changes in operating assets and liabilities, net of effect of acquisitions:
Accounts receivable	(138,329)	(13,512)
Inventories	63,327	(64,882)
Income taxes	1,256	2,446
Prepaid expenses and other	(4,374)	(3,686)
Accounts payable	8,486	34,567
Accrued expenses	(21,005)	6,088
Other, net	(2,783)	(185)
Net cash provided by operating activities	67,819	56,908
Cash flows from investing activities:
Acquisitions, net of cash acquired	(179,184)	0
Capital expenditures	(86,364)	(34,867)
Proceeds from sale of property, plant and equipment	873	6,338
Business disposition, net	0	(1,426)
Proceeds from insurance	0	4,741
Net cash used in investing activities	(264,675)	(25,214)
Cash flows from financing activities:
Proceeds from stock options exercised	0	1,279
Proceeds from ABL facility	290,000	85,000
Payments on ABL facility	(120,000)	(85,000)
Proceeds from term loan	0	415,000
Payments on term loan	(12,810)	(145,184)
Payments on senior notes	0	(265,470)
Payments on note payable	0	(1,245)
Payments of financing costs	0	(6,521)
Payments related to tax withholding for share-based compensation	(231)	(5,048)
Purchases of treasury stock	0	(46,705)
Net cash provided by (used in) financing activities	156,959	(53,894)
Effect of exchange rate changes on cash and cash equivalents	1,406	(92)
Net decrease in cash, cash equivalents and restricted cash	(38,491)	(22,292)
Cash, cash equivalents and restricted cash at beginning of period	147,607	65,794
Cash, cash equivalents and restricted cash at end of period	$ 109,116	$ 43,502