Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020
Cash Flows from Operating Activities:
Net income	$ 64,348	$ 36,660
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation, amortization and accretion	16,850	15,035
Gain on equity method investment		(2,498)
Provision for doubtful accounts	31	105
Benefit for deferred income taxes	(213)	(1,074)
Provision for stock-based compensation	4,491	2,718
Changes in assets and liabilities:
Accounts receivable	14,605	151,818
Inventories	(58,039)	11,564
Prepaids and other current assets	(8,288)	2,462
Other assets	(3,451)	(4,779)
Accounts payable	8,818	(8,665)
Accrued customer rebates and returns	9,826	7,557
Accrued compensation and other liabilities	(9,891)	8,498
Cash provided by operating activities	39,087	219,401
Cash Flows from Investing Activities:
Acquisition, net of cash acquired		(14,308)
Property, plant and equipment additions	(10,153)	(7,143)
Cash used in investing activities	(10,153)	(21,451)
Cash Flows from Financing Activities:
Proceeds of revolving credit line		99,000
Proceeds from exercise of stock options	736
Other stock-related activity	1,141	120
Purchase and cancellation of common stock	(30,848)	(5,865)
Cash (used in) provided by financing activities	(28,971)	93,255
Net (Decrease) Increase in Cash and Cash Equivalents	(37)	291,205
Cash and Cash Equivalents, Beginning of Period	155,576	68,353
Cash and Cash Equivalents, End of Period	155,539	359,558
Supplemental Cash Flow Information
Cash paid for interest expense	140	433
Cash paid for income taxes	$ 26,436	$ 1,750