UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 64,204,000	$ 28,955,000
Adjustments to reconcile net income to net cash provided by operations:
Depreciation and amortization expense	33,249,000	35,705,000
Non-cash operating lease costs	9,988,000	5,766,000
Deferred income taxes - net	24,777,000	907,000
Loss on extinguishment of debt	0	12,403,000
Amortization of deferred financing costs	2,117,000	2,512,000
Equity in earnings of joint ventures	(2,593,000)	(2,891,000)
Stock-based incentive compensation expense	8,576,000	3,730,000
Capital distribution from equity method investments	1,000,000	0
Other adjustments	506,000	261,000
Changes in operating assets and liabilities:
Accounts receivable, net	(22,950,000)	(9,866,000)
Inventories	(48,671,000)	(14,651,000)
Prepaid expenses and other current assets	(5,235,000)	4,627,000
Accounts payable	100,924,000	26,532,000
Accrued compensation and employee benefits	(26,384,000)	(907,000)
Accrued expenses and other current liabilities	18,900,000	6,425,000
Operating lease liabilities	(11,032,000)	(8,277,000)
Other noncurrent assets and liabilities	(10,422,000)	803,000
Net cash provided by operating activities	136,954,000	92,034,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(10,055,000)	(6,808,000)
Business acquisitions, net of cash acquired	(59,897,000)	(18,852,000)
Net cash used in investing activities	(69,952,000)	(25,660,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Exercise of stock options, vesting of restricted stock, and related tax withholdings	523,000	(78,000)
Proceeds from warrant exercises	20,098,000	0
Proceeds from issuance of debt	0	355,200,000
Repayments of debt	(3,000,000)	(5,888,000)
Retirement of debt	0	(352,009,000)
Deferred financing costs	0	(2,880,000)
Debt prepayment fees	0	(2,458,000)
Net cash provided by (used in) financing activities	17,621,000	(8,113,000)
NET INCREASE IN CASH AND CASH EQUIVALENTS	84,623,000	58,261,000
Cash and cash equivalents - beginning of the period	119,423,000	99,265,000
CASH AND CASH EQUIVALENTS - END OF PERIOD	204,046,000	157,526,000
Supplemental disclosure of cash flow information:
Cash paid for interest	21,793,000	37,405,000
Cash paid for income taxes	4,966,000	1,168,000
Cash paid for operating leases	$ 12,435,000	$ 12,909,000