Income Taxes (Reconciliation Of The Provision For Income Taxes) (Details) - 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
Income Tax Disclosure [Abstract]
Domestic											$ 167,179	$ 186,376	$ 140,708
Foreign											145,469	83,370	80,812
Earnings before income taxes	$ 76,353	$ 72,058	$ 74,435	$ 74,513	$ 71,567	$ 68,900	$ 146,493	$ 140,467	$ 222,846	$ 214,980	$ 312,648	$ 269,746	$ 221,520
Federal statutory income tax rate											21.00%	21.00%	21.00%
Impacts of Tax Act											0.20%	(1.20%)	(0.70%)
Tax on foreign earnings											1.30%	0.80%	0.90%
R&D and foreign tax credits											(3.80%)	(4.30%)	(6.20%)
Divestiture impacts											0.40%	0.50%	0.00%
Foreign tax rates											3.80%	2.70%	6.60%
Equity-based compensation and benefits											0.00%	0.20%	0.50%
Unrecognized Tax Benefits											0.00%	0.00%	(0.50%)
Change in valuation allowance for deferred taxes											0.50%	1.70%	(0.80%)
State taxes, net of federal benefit											0.50%	0.80%	0.20%
Other											0.90%	0.40%	(0.10%)
Effective income tax rate											24.80%	22.60%	20.90%