CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021
Cash Flows From Operating Activities:
Net (loss) income	$ (448,553)	$ 7,058
Adjustments to reconcile net (loss) income to net cash from operating activities:
Depreciation and amortization	11,857	10,018
Amortization of deferred debt issuance costs	3,526	5,838
Amortization and impairment of operating lease right of use assets	8,402	9,253
Non-cash share-based compensation	10,596	5,880
Goodwill impairment	470,207
(Gain) loss on disposal of licenses, property and equipment	(123)	94
Fair value adjustments on interest rate derivatives	(44,789)	(4,853)
Gain on sale of businesses	(170)
Loss on debt extinguishment		8,918
Deferred income taxes	(89)	866
Changes in operating assets and liabilities, net of impact of acquisitions:
Patient accounts receivable	(27,701)	(17,190)
Prepaid expenses	(61)	(111)
Other current and long-term assets	5,854	(99)
Accounts payable and other accrued liabilities	1,232	(20,954)
Accrued payroll and employee benefits	(9,341)	(5,678)
Insurance reserves	4,804	5,025
Operating lease liabilities	(11,348)	(9,945)
Other current and long-term liabilities	(3,660)	(7,741)
Net cash used in operating activities	(29,357)	(13,621)
Cash Flows From Investing Activities:
Acquisitions of businesses, net of cash acquired	(1,206)	(102,505)
Proceeds from sale of businesses	460
Payment for interest rate cap	(11,725)
Purchases of property and equipment	(5,985)	(6,078)
Net cash used in investing activities	(18,456)	(108,583)
Cash Flows From Financing Activities:
Proceeds from issuance of common stock		477,688
Proceeds from employee stock purchase plan	2,278
Proceeds from securitization obligation	40,000
Repayment of securitization obligation	(10,000)
Proceeds from revolving credit facility	15,000
Proceeds from issuance of term loans, net of debt issuance costs		65,261
Principal payments on term loans	(4,300)	(411,492)
Principal payments on notes payable	(4,070)	(3,067)
Repayment of government stimulus funds		(29,444)
Principal payments of financing lease obligations	(363)	(332)
Payment of offering costs		(5,375)
Payment of debt issuance costs		(1,831)
Settlements with derivative counterparties	(3,759)
Net cash provided by financing activities	34,786	91,408
Net decrease in cash and cash equivalents	(13,027)	(30,796)
Cash and cash equivalents at beginning of period	30,490	137,345
Cash and cash equivalents at end of period	17,463	106,549
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	42,763	36,861
Acquisition of property and equipment on accrual	1,139	2,095
Offering costs included in accounts payable and other accrued liabilities		98
Cash paid for income taxes, net of refunds received	$ 998	$ 3,778