CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 27, 2022
Cash flows from operating activities
Net income	$ 22,321	$ 4,725
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	20,840	18,685
Amortization of right of use asset	2,490	5,400
Stock-based compensation expense	10,900	7,054
Change in long-term retirement benefit obligations	(6,954)	(4,555)
Other – net	1,330	(11,684)
Changes in operating assets and liabilities, net of business acquisitions:
Accounts receivable – net	51,556	40,930
Other assets	(2,295)	(6,646)
Accounts payable, accrued payroll and other liabilities	(57,103)	(75,571)
Unexpired subscriptions	7,645	7,003
Net cash provided by/(used in) operating activities	50,730	(14,659)
Cash flows from investing activities
Purchases of marketable securities	0	(2,492)
Maturities of marketable securities	28,160	442,895
Business acquisitions, net of cash acquired	0	(515,299)
Capital expenditures	(5,985)	(8,580)
Other – net	0	(533)
Net cash provided by (used in) investing activities	22,175	(84,009)
Long-term obligations:
Dividends paid	(15,069)	(11,839)
Payment of contingent consideration	(1,724)	(1,724)
Capital shares:
Proceeds from stock option exercises	0	3
Repurchases	(30,720)	(29,034)
Share-based compensation tax withholding	(11,017)	(9,328)
Net cash used in financing activities	(58,530)	(51,922)
Net increase/(decrease) in cash, cash equivalents and restricted cash	14,375	(150,590)
Effect of exchange rate changes on cash	(262)	(164)
Cash, cash equivalents and restricted cash at the beginning of the period	235,173	334,306
Cash, cash equivalents and restricted cash at the end of the period	$ 249,286	$ 183,552