CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 25, 2022	Sep. 26, 2021
Cash flows from operating activities:
Net income	$ 55,228	$ 41,424
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	22,015	20,405
Provision for credit losses	3,352	2,881
Stock-based compensation	7,675	10,149
Deferred income taxes	2,046	445
Non-cash lease expense	9,694	11,173
Other operating activities	8,772	(1,484)
Changes in operating assets and liabilities:
Accounts receivable	21,388	(53,626)
Income taxes receivable and payable	186	963
Operating lease right-of-use asset	0	7,150
Other assets	(564)	(7,003)
Accounts payable and other accrued expenses	(22,935)	3,212
Accrued wages and benefits	(10,277)	24,278
Deferred employer payroll taxes	0	(57,066)
Workers’ compensation claims reserve	(4,304)	3,075
Operating lease liabilities	(9,673)	(10,017)
Other liabilities	(2,529)	4,598
Net cash provided by operating activities	80,074	557
Cash flows from investing activities:
Capital expenditures	(22,685)	(28,772)
Purchases of restricted available-for-sale investments	0	(29)
Sales of restricted available-for-sale investments	0	793
Purchases of restricted held-to-maturity investments	(4,950)	0
Maturities of restricted held-to-maturity investments	23,697	18,346
Net cash used in investing activities	(3,938)	(9,662)
Cash flows from financing activities:
Purchases and retirement of common stock	(60,939)	0
Net proceeds from employee stock purchase plans	780	754
Common stock repurchases for taxes upon vesting of restricted stock	(4,347)	(3,035)
Other	(203)	(270)
Net cash used in financing activities	(64,709)	(2,551)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(2,482)	(613)
Net change in cash, cash equivalents and restricted cash	8,945	(12,269)
Cash, cash equivalents and restricted cash, beginning of period	103,185	118,612
Cash, cash equivalents and restricted cash, end of period	112,130	106,343
Supplemental Disclosure of Cash Flow Information [Abstract]
Interest	828	1,174
Income taxes	8,907	5,522
Operating lease liabilities	11,824	12,402
Property and equipment purchased but not yet paid	3,131	2,394
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 7,015	$ 10,739