Stockholders' Equity And Stock-Based Compensation (Summary Of Restricted Stock Units Issued To Officers, Directors, And Employees Under 2005 Stock Incentive Plan) (Details) shares in Thousands	6 Months Ended
	Mar. 29, 2024 $ / shares shares
Shares
Shares, Non-vested at beginning of period (in shares) | shares	3,747
Shares, Granted (in shares) | shares	1,639
Shares, Vested (in shares) | shares	(1,200)
Shares, Forfeitures (in shares) | shares	(306)
Shares, Non-vested at end of period (in shares) | shares	3,880
Weighted-Average Grant Date Fair Value
Weighted Average Fair Value, Non-vested at beginning of period (in dollars per share) | $ / shares	$ 78.62
Weighted Average Fair Value, Granted (in dollars per share) | $ / shares	84.07
Weighted Average Fair Value, Vested (in dollars per share) | $ / shares	78.65
Weighted Average Fair Value, Forfeitures (in dollars per share) | $ / shares	81.57
Weighted Average Fair Value, Non-vested at end of period (in dollars per share) | $ / shares	$ 80.68