Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2021	Mar. 29, 2020
Operating activities
Net income before attribution to noncontrolling interests	$ 35,283	$ 8,993
Adjustments to reconcile net income to net cash provided by operating activities:
(Credit) provision for allowance for credit losses on accounts and notes receivable	(1,098)	768
Depreciation and amortization	12,876	12,295
Deferred income taxes	2,586	1,185
Stock-based compensation expense	4,113	3,950
Other	325	234
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	13,349	(1,839)
Income tax receivable	566	932
Inventories	2,721	(2,281)
Prepaid expenses and other current assets	711	5,586
Other assets and liabilities	(7,901)	2,670
Accounts payable	(5,350)	4,604
Income and other taxes payable	15,045	568
Accrued expenses and other current liabilities	(9,736)	(1,903)
Deferred revenue	(273)	(2,028)
Net cash provided by operating activities	63,217	33,734
Investing activities
Purchases of property and equipment	(7,076)	(5,933)
Notes issued	(3,417)	(7,413)
Repayments of notes issued	4,864	3,790
Acquisitions, net of cash acquired	(699)
Other	29	1
Net cash used in investing activities	(6,299)	(9,555)
Financing activities
Repayments of term loan	(5,000)	(5,000)
Net proceeds of revolving credit facilities	5,000	640
Proceeds from exercise of stock options	2,298	1,241
Dividends paid to common stockholders	(7,404)	(7,237)
Dividends paid to preferred stockholders	(3,412)	(3,412)
Tax payments for equity award issuances	(3,834)	(1,383)
Acquisition of Company common stock	(1,267)
Distributions to noncontrolling interests	(1,705)	(30)
Other	(756)	(350)
Net cash used in financing activities	(16,080)	(15,531)
Effect of exchange rate changes on cash and cash equivalents	230	(183)
Change in cash and cash equivalents	41,068	8,465
Cash and cash equivalents at beginning of period	130,204	27,911
Cash and cash equivalents at end of period	$ 171,272	$ 36,376