Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Apr. 04, 2026	Mar. 29, 2025
Cash flows from operating activities:
Net loss	$ (5,263)	$ (4,723)
Adjustments to reconcile net loss to net cash provided by operating activities:
Stock-based compensation expense	7,931	11,536
Amortization of debt issuance costs and debt discount	552	1,420
Depreciation and amortization	22,755	19,358
Operating lease expense	38,256	34,029
Deferred income taxes, net	(319)	(3,589)
Loss on extinguishment of debt	0	2,718
Other items	6,539	(4,558)
Changes in operating assets and liabilities:
Trade receivables	(605)	(988)
Inventories	(3,401)	(4,715)
Prepaid expenses and other assets	(1,771)	(6,935)
Accounts payable and accrued liabilities	(1,198)	(10,328)
Accrued payroll and related taxes	(9,611)	(4,068)
Operating lease liabilities	(35,778)	(29,822)
Other liabilities	111	1,084
Net cash provided by operating activities	18,198	419
Cash flows from investing activities:
Purchases of property and equipment	(28,058)	(20,583)
Settlement of derivative instruments	(193)	1,183
Purchase of marketable securities	(337)	0
Proceeds from sale of marketable securities	291	0
Net cash used in investing activities	(28,297)	(19,400)
Cash flows from financing activities:
Principal payments on long-term debt	(1,875)	(44,500)
Prepayment premium on extinguishment of debt	0	(1,335)
Proceeds from stock option exercises	513	54
Repurchase of common stock, including excise tax	(10,325)	(11,842)
Shares withheld for taxes	(1,329)	(170)
Principal payments on finance lease liabilities	(1,268)	(700)
Net cash used in financing activities	(14,284)	(58,493)
Effect of exchange rate changes on cash and cash equivalents	88	526
Net change in cash and cash equivalents	(24,295)	(76,948)
Cash and cash equivalents at beginning of period	85,904	149,967
Cash and cash equivalents at end of period	61,609	73,019
Supplemental disclosures of cash flow information:
Interest paid on debt	12,233	28,056
Supplemental disclosure of noncash investing and financing activities:
Noncash capital expenditures	5,758	7,532
Repurchase of common stock and excise tax not yet paid	$ 691	$ 318