CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 150,556	$ 139,898	$ (8,076)
Adjustments to reconcile net income (loss) to net cash provided by operations:
Depreciation and amortization expense	65,434	68,804	77,896
Non-cash operating lease costs	19,713	15,168	18,814
Deferred income taxes - net	49,187	(30,372)	1,196
(Gain)/loss on sale of assets	(9,403)	767	742
Loss on extinguishment of debt	0	13,387	11,545
Amortization of deferred financing costs	4,304	4,998	5,517
Loss on interest rate swaps upon discontinuing hedge accounting	0	0	3,746
Paid-in-kind interest capitalized as principal	0	0	7,525
Equity in earnings of joint ventures	(5,125)	(6,030)	(3,313)
Stock-based incentive compensation expense	16,783	9,575	2,920
Capital distribution from equity method investments	5,875	2,900	3,250
Change in contingent consideration liability	0	0	(1,500)
Other adjustments	0	844	0
Changes in operating assets and liabilities:
Accounts receivable, net	(36,889)	(4,273)	(3,924)
Inventories	(41,010)	(22,700)	(42,725)
Prepaid expenses and other current assets	(16,798)	1,420	(19,500)
Accounts payable	98,885	(10,381)	59,215
Accrued compensation and employee benefits	(7,770)	23,977	13,134
Accrued expenses and other current liabilities	10,535	18,383	22,809
Operating lease liabilities	(21,395)	(18,496)	(18,089)
Other noncurrent assets and liabilities	(15,335)	700	(3,790)
Net cash provided by operating activities	267,547	208,569	127,392
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(35,358)	(25,632)	(26,875)
Proceeds from sale of assets	14,670	0	0
Business acquisitions, net of cash acquired	(87,364)	(85,909)	0
Other investing cash flows	0	0	541
Net cash used in investing activities	(108,052)	(111,541)	(26,334)
CASH FLOWS FROM FINANCING ACTIVITIES:
Exercise of stock options, vesting of restricted stock, and related tax withholdings	352	(32)	(904)
Net proceeds from issuance of common stock	0	0	118,934
Proceeds from warrant exercises	20,916	0	0
Proceeds from issuance of debt	0	855,136	0
Repayments of debt principal	(6,000)	(8,832)	(9,250)
Retirement of debt obligations	0	(910,345)	(174,000)
Deferred financing costs	0	(10,339)	(149)
Debt prepayment fees	0	(2,458)	(3,480)
Net cash provided by (used in) financing activities	15,268	(76,870)	(68,849)
NET INCREASE IN CASH AND CASH EQUIVALENTS	174,763	20,158	32,209
Cash and cash equivalents - beginning of the period	119,423	99,265	67,056
CASH AND CASH EQUIVALENTS - END OF PERIOD	294,186	119,423	99,265
Supplemental disclosure of cash flow information:
Cash paid for interest	50,372	60,920	97,640
Cash paid for income taxes	13,438	5,706	2,884
Cash paid for operating leases	$ 25,311	$ 26,174	$ 26,809