Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 25, 2022	Jun. 26, 2021
Cash flows provided by operating activities:
Net income	$ 51,394	$ 124,760
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	39,909	34,174
Impairment of assets	121	1,231
Gain) on disposal of property, plant and equipment	(39)	(150)
Change in right-of-use assets	3,990	3,954
Other non-cash expense (income)	54	(98)
Stock-based compensation expense	7,730	10,291
Deferred income taxes	2,557	(39)
Changes in operating assets and liabilities:
Accounts receivable	(64,469)	(35,075)
Inventories	(13,014)	(120,675)
Prepaid expenses, income tax receivable, other current assets and other assets	47,010	(30,804)
Third-party production prepayments	14,067	(17,024)
Accounts payable	48,337	78,801
Accrued expenses, other current liabilities and other liabilities	(13,275)	(14,307)
Change in operating lease liabilities	(2,866)	(4,052)
Net cash provided by operating activities	121,506	30,987
Cash flows used in investing activities:
Purchases of property, plant and equipment	(50,804)	(83,521)
Proceeds from disposal of property, plant and equipment	506	420
Other investing activities		145
Net cash used in investing activities	(50,298)	(82,956)
Cash flows provided by (used in) financing activities:
Proceeds from exercise of stock options and sale of investment shares	4,610	7,944
Net cash paid on note payable and finance leases	(870)	(795)
Line of credit borrowings	30,000
Line of credit repayments	(30,000)
Payment of tax withholding on stock-based payment awards and investment shares	(3,468)	(15,509)
Net cash provided by (used in) financing activities	272	(8,360)
Change in cash and cash equivalents and restricted cash	71,480	(60,329)
Cash and cash equivalents and restricted cash at beginning of year	66,321	163,282
Cash and cash equivalents at end of period	137,801	102,953
Supplemental disclosure of cash flow information:
Income taxes (refunded) paid, net	(43,621)	34,395
Cash paid for amounts included in measurement of lease liabilities
Operating cash flows from operating leases	3,895	5,212
Operating cash flows from finance leases	42	66
Financing cash flows from finance leases	796	724
Right-of-use-assets obtained in exchange for operating lease obligations		1,961
Change in purchase of property, plant and equipment in accounts payable and accrued expenses	$ 107	$ (6,928)