Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended						6 Months Ended		9 Months Ended		12 Months Ended
	Jun. 28, 2025	Mar. 29, 2025	Dec. 28, 2024	Jun. 29, 2024	Mar. 30, 2024	Dec. 30, 2023	Mar. 29, 2025	Mar. 30, 2024	Jun. 28, 2025	Jun. 29, 2024	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net earnings	$ 58,486	$ 54,610	$ 57,526	$ 59,111	$ 54,506	$ 52,635	$ 112,136	$ 107,141	$ 170,622	$ 166,252	$ 235,028	$ 208,786	$ 175,156
Other comprehensive income (loss) ("OCI"), net of tax:
Foreign currency translation adjustment	53,323	22,999	(41,596)	(6,655)	(13,732)	31,044	(18,597)	17,312	34,726	10,657	20,908	44,955	41,547
Retirement liability adjustment	1,112	1,724	2,151	2,059	2,173	1,678	3,875	3,851	4,987	5,910	23,978	6,315	11,626
Change in accumulated gain (loss) on derivatives	504	400	262	0	200	318	662	518	1,166	518	207	518	3,269
Other comprehensive income (loss), net of tax	54,939	25,123	(39,183)	(4,596)	(11,359)	33,040	(14,060)	21,681	40,879	17,085	45,093	51,788	56,442
Comprehensive income	$ 113,425	$ 79,733	$ 18,343	$ 54,515	$ 43,147	$ 85,675	$ 98,076	$ 128,822	$ 211,501	$ 183,337	$ 280,121	$ 260,574	$ 231,598