Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2020	Mar. 29, 2019
Cash flows from operating activities:
Net income	$ 3,399	$ 1,518
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	5,737	5,210
Share-based compensation	2,865	1,330
Deferred income taxes	722	3
Amortization of debt issuance costs	243	212
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable, net	(2,724)	(13,610)
Inventories, net	(16,684)	6,935
Prepaid expenses and other assets	(868)	1,357
Accounts payable	(12,380)	895
Accrued liabilities	(568)	(1,994)
Other liabilities	(778)	(2,279)
Net cash used in operating activities	(21,036)	(423)
Cash flows from investing activities:
Capital expenditures	(2,470)	(4,782)
Net cash used in investing activities	(2,470)	(4,782)
Cash flows from financing activities:
Issuance of ordinary shares under share-based compensation plans	2,658	2,067
Employees' taxes paid upon vesting of restricted share units	(993)	(111)
Repurchase of ordinary shares		(1,599)
Borrowings on revolving credit facility	5,000	5,000
Repayments on revolving credit facility		(8,000)
Repayments on term loan	(2,188)	(4,375)
Net cash provided by (used in) financing activities	4,477	(7,018)
Net decrease in cash	(19,029)	(12,223)
Cash at beginning of period	60,612	43,834
Cash at end of period	41,583	31,611
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	2,136	3,255
Cash paid during the period for taxes, net of refunds	34	107
Supplemental disclosures of non-cash activities:
Capital expenditures included in accounts payable	652	$ 958
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 328