CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2022	Mar. 28, 2021
Cash flows from operating activities
Net income	$ 4,725	$ 41,109
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	18,685	14,717
Amortization of right of use asset	5,400	2,166
Stock-based compensation expense	7,054	4,185
Change in long-term retirement benefit obligations	(4,555)	(4,004)
Fair market value adjustment on life insurance products	514	208
Other – net	(12,198)	(1,277)
Changes in operating assets and liabilities, net of business acquisitions:
Accounts receivable – net	40,930	38,522
Other assets	(6,646)	(3,768)
Accounts payable, accrued payroll and other liabilities	(75,571)	(68,428)
Unexpired subscriptions	7,003	9,499
Net cash provided by operating activities	(14,659)	32,929
Cash flows from investing activities
Purchases of marketable securities	(2,492)	(177,543)
Maturities of marketable securities	442,895	155,782
Business acquisitions, net of cash acquired	(515,299)	0
Sales of investments – net	(958)	(70)
Capital expenditures	(8,580)	(6,394)
Other-net	425	2,017
Net cash used in investing activities	(84,009)	(26,208)
Long-term obligations:
Dividends paid	(11,839)	(10,072)
Payment of contingent consideration	(1,724)	0
Capital shares:
Proceeds from stock option exercises	3	2,447
Repurchases	(29,034)	0
Share-based compensation tax withholding	(9,328)	(10,483)
Net cash used in financing activities	(51,922)	(18,108)
Net decrease in cash, cash equivalents and restricted cash	(150,590)	(11,387)
Effect of exchange rate changes on cash	(164)	(341)
Cash, cash equivalents and restricted cash at the beginning of the period	334,306	301,964
Cash, cash equivalents and restricted cash at the end of the period	$ 183,552	$ 290,236