Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019
Operating activities
Net earnings	$ 5,039	$ 13,906
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	6,312	5,619
Loss from extinguishment of debt	30	0
Gain on disposal of property and equipment	(143)	(50)
Share-based compensation expense	757	1,086
Inventory write-offs for obsolescence	1,302	1,389
Deferred income taxes	(146)	379
Other	25	(2,753)
Net changes in operating assets and liabilities:
Accounts receivable, net	2,077	7,085
Inventories, net	(1,383)	(3,288)
Prepaid expenses and other current assets	(632)	(3,301)
Trade accounts payable	1,228	(645)
Other current liabilities	2,229	(2,396)
Net cash provided by operating activities	16,695	17,031
Investing activities
Capital expenditures	(11,018)	(5,764)
Proceeds from sale of property and equipment	378	214
Adjustment to purchase price of a business	156	0
Net cash used in investing activities	(10,484)	(5,550)
Financing activities
Principal payments on long-term debt	(66)	(2,311)
Repayments of principal upon termination of long-term borrowings	(3,352)	0
Debt issuance costs	(402)	0
Purchase of noncontrolling interest	(253)	0
Contributions from noncontrolling interests	117	2
Payments of employee taxes on certain share-based arrangements	(813)	(854)
Net cash used in financing activities	(4,769)	(3,163)
Effect of exchange rate changes on cash and cash equivalents	(1,155)	228
Increase in cash and cash equivalents	287	8,546
Cash and cash equivalents at beginning of period	86,910	90,159
Cash and cash equivalents at end of period	87,197	98,705
Supplemental disclosure of investing transactions:
Capital expenditures purchased	(10,290)	(4,992)
Capital expenditures accrued but not yet paid	455	1,077
Supplemental disclosure of financing transactions:
Non-cash extinguishment of long-term debt facility (see Note 7)	(7,020)	0
Non-cash refinancing of revolving facility (see Note 7)	7,020	0
Capital expenditures accrued but not yet paid	$ 455	$ 1,077