Changes in Accumulated Other Comprehensive Income (loss) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2026	Mar. 30, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 2,795,752	$ 2,819,294
Other comprehensive income (loss)	(21,516)	39,228
Balance	3,143,816	2,797,499
Foreign Currency Translation Reclassification Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	47,328	(75,289)
Other comprehensive (loss) gain before reclassifications, net of tax	(19,933)	39,319
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0	0
Other comprehensive income (loss)	(19,933)	39,319
Balance	27,395	(35,970)
Unrealized (Losses) Gains on Marketable Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(6,571)	(7,807)
Other comprehensive (loss) gain before reclassifications, net of tax	(1,540)	620
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	(42)	75
Other comprehensive income (loss)	(1,582)	695
Balance	(8,153)	(7,112)
Unrealized (Losses) Gains on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	0	731
Other comprehensive (loss) gain before reclassifications, net of tax	0	(202)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0	(582)
Other comprehensive income (loss)	0	(784)
Balance	0	(53)
Retirement Plans Prior Service Credit
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	1,138	1,145
Other comprehensive (loss) gain before reclassifications, net of tax	0	0
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	(1)	(2)
Other comprehensive income (loss)	(1)	(2)
Balance	1,137	1,143
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	41,895	(81,220)
Other comprehensive (loss) gain before reclassifications, net of tax	(21,473)	39,737
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	(43)	(509)
Other comprehensive income (loss)	(21,516)	39,228
Balance	$ 20,379	$ (41,992)