Employee Benefit Plans (Schedule Of Changes In Projected Benefit Obligations And Plan Assets And Funded Status) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Amount recognized in AOCIL, before taxes:
Actuarial losses	$ 44,001	$ (6,544)
Pension Plan
Change in plan assets:
Fair value of assets at measurement date	1,170,405
Pension Plan | U.S. Plans
Change in projected benefit obligation:
Projected benefit obligation at prior year measurement date	915,274	941,766
Service cost	21,003	22,535	$ 24,115
Interest cost	36,924	32,292	30,573
Contributions by plan participants	0	0
Actuarial (gains) losses	130,377	(46,526)
Foreign currency exchange impact	0	0
Benefits paid	(36,455)	(33,941)
Other	(1,186)	(852)
Projected benefit obligation at measurement date	1,065,937	915,274	941,766
Change in plan assets:
Fair value of assets at prior year measurement date	878,983	756,274
Actual return on plan assets	157,966	8,038
Employer contributions	4,855	149,464
Contributions by plan participants	0	0
Benefits paid	(36,455)	(33,941)
Foreign currency exchange impact	0	0
Other	(1,186)	(852)
Fair value of assets at measurement date	1,004,163	878,983	756,274
Funded status and amount recognized in assets and liabilities	(61,774)	(36,291)
Amount recognized in assets and liabilities:
Long-term assets	35,429	49,967
Current and long-term pension liabilities	(97,203)	(86,258)
Amount recognized in assets and liabilities	(61,774)	(36,291)
Amount recognized in AOCIL, before taxes:
Prior service cost (credit)	133	320
Actuarial losses	330,151	332,520
Amount recognized in AOCIL, before taxes	330,284	332,840
Pension Plan | Non-U.S. Plans
Change in projected benefit obligation:
Projected benefit obligation at prior year measurement date	207,645	214,474
Service cost	4,988	5,738	6,105
Interest cost	4,393	4,241	3,121
Contributions by plan participants	828	918
Actuarial (gains) losses	48,564	(6,679)
Foreign currency exchange impact	(10,878)	(4,670)
Benefits paid	(6,040)	(6,302)
Other	75	(75)
Projected benefit obligation at measurement date	249,575	207,645	214,474
Change in plan assets:
Fair value of assets at prior year measurement date	145,641	141,906
Actual return on plan assets	24,623	2,740
Employer contributions	7,464	9,971
Contributions by plan participants	828	918
Benefits paid	(6,040)	(6,302)
Foreign currency exchange impact	(6,220)	(3,551)
Other	(54)	(41)
Fair value of assets at measurement date	166,242	145,641	$ 141,906
Funded status and amount recognized in assets and liabilities	(83,333)	(62,004)
Amount recognized in assets and liabilities:
Long-term assets	2,575	7,874
Current and long-term pension liabilities	(85,908)	(69,878)
Amount recognized in assets and liabilities	(83,333)	(62,004)
Amount recognized in AOCIL, before taxes:
Prior service cost (credit)	82	(69)
Actuarial losses	56,411	32,430
Amount recognized in AOCIL, before taxes	$ 56,493	$ 32,361