Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Dec. 29, 2018
Cash Flows from Operating Activities:
Net income	$ 66,213	$ 99,003
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation, amortization and accretion	21,011	19,673
Provision for doubtful accounts	33	(586)
(Benefit) provision for deferred income taxes	(302)	3,584
Provision for stock-based compensation	3,033	3,129
Changes in assets and liabilities:
Accounts receivable	28,276	(59,806)	$ (61,413)
Inventories	(12,231)	(16,146)
Prepaids and other current assets	(10,174)	(2,071)
Other assets	1,976	(261)
Accounts payable	(28,444)	15,262
Accrued compensation and other liabilities	(9,741)	3,432	(672)
Cash provided by operating activities	59,650	65,213	78,112
Cash Flows from Investing Activities:
Acquisition, net of cash acquired		(28,040)
Property, plant and equipment additions	(24,656)	(18,099)
Cash used in investing activities	(24,656)	(46,139)
Cash Flows from Financing Activities:
Contingent consideration		(2,036)
Other stock related activity	57	(364)
Purchase and cancellation of common stock	(24,339)	(35,224)
Cash used in financing activities	(24,282)	(37,624)
Effect of exchange rate changes on Cash and Cash Equivalents		(28)
Net Increase (Decrease) in Cash and Cash Equivalents	10,712	(18,578)
Cash and Cash Equivalents, Beginning of Period	43,458	71,691	71,691
Cash and Cash Equivalents, End of Period	54,170	53,113	$ 43,458
Supplemental Cash Flow Information
Cash paid for interest expense	116	191
Cash paid for income taxes	$ 28,454	$ 21,722