CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jun. 25, 2022	Jul. 01, 2023	Jun. 25, 2022
Total revenue	$ 1,059,937	$ 973,131	$ 2,089,310	$ 1,887,060
Costs and expenses:
Selling, general and administrative	199,758	131,711	374,604	281,744
Amortization of intangible assets	34,274	37,604	69,190	75,611
Operating income	164,945	187,411	332,837	336,189
Other income (expense):
Interest income	1,426	188	2,232	315
Interest expense	(35,044)	(3,703)	(69,424)	(13,137)
Other expense, net	(2,663)	(39,783)	(5,940)	(68,408)
Income before income taxes	128,664	144,113	259,705	254,959
Provision for income taxes	29,221	33,449	56,308	49,069
Net income	99,443	110,664	203,397	205,890
Less: Net income attributable to noncontrolling interests	2,423	1,343	3,246	3,547
Net income attributable to common shareholders	$ 97,020	$ 109,321	$ 200,151	$ 202,343
Earnings per common share
Basic (in dollars per share)	$ 1.89	$ 2.15	$ 3.91	$ 3.99
Diluted (in dollars per share)	$ 1.89	$ 2.13	$ 3.90	$ 3.94
Weighted-average number of common shares outstanding:
Basic (in shares)	51,216	50,823	51,157	50,732
Diluted (in shares)	51,467	51,283	51,382	51,293
Service
Total revenue	$ 874,891	$ 782,827	$ 1,732,257	$ 1,503,312
Costs and expenses:
Cost of services provided and products sold (excluding amortization of intangible assets)	578,099	522,623	1,143,576	1,009,487
Product
Total revenue	185,046	190,304	357,053	383,748
Costs and expenses:
Cost of services provided and products sold (excluding amortization of intangible assets)	$ 82,861	$ 93,782	$ 169,103	$ 184,029