Employee Benefit Plans (Schedule Of Consolidated Plan Assets Using The Fair Value Hierarchy) (Details) - Pension Plan - USD ($) $ in Thousands	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Defined Benefit Plan Disclosure
Total investments at fair value	$ 1,170,405
Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	56,718	$ 41,085	$ 40,425
Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Total investments at fair value	29,334	36,066
U.S. Plans
Defined Benefit Plan Disclosure
Total investments at fair value	1,004,163	878,983	756,274
U.S. Plans | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	967,906	836,124
U.S. Plans | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	6,418	6,309
U.S. Plans | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	505	484	464
U.S. Plans | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	974,829	842,917
U.S. Plans | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Total investments at fair value	29,334	36,066
U.S. Plans | Mutual funds | Equity funds | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	144,898	141,287
U.S. Plans | Mutual funds | Equity funds | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
U.S. Plans | Mutual funds | Equity funds | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
U.S. Plans | Mutual funds | Equity funds | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	144,898	141,287
U.S. Plans | Mutual funds | Fixed income funds | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	823,008	694,837
U.S. Plans | Mutual funds | Fixed income funds | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
U.S. Plans | Mutual funds | Fixed income funds | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
U.S. Plans | Mutual funds | Fixed income funds | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	823,008	694,837
U.S. Plans | Money market funds | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
U.S. Plans | Money market funds | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	6,418	6,309
U.S. Plans | Money market funds | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
U.S. Plans | Money market funds | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	6,418	6,309
U.S. Plans | Insurance contract | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
U.S. Plans | Insurance contract | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
U.S. Plans | Insurance contract | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	505	484
U.S. Plans | Insurance contract | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	505	484
Non-U.S. Plans
Defined Benefit Plan Disclosure
Total investments at fair value	166,242	145,641	141,906
Non-U.S. Plans | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	7,694	6,315
Non-U.S. Plans | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	102,335	98,725
Non-U.S. Plans | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	56,213	40,601	$ 39,961
Non-U.S. Plans | Mutual funds | Equity funds | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Mutual funds | Equity funds | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	6,372	6,223
Non-U.S. Plans | Mutual funds | Equity funds | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Mutual funds | Equity funds | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	6,372	6,223
Non-U.S. Plans | Mutual funds | Fixed income funds | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Mutual funds | Fixed income funds | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	7,657	7,630
Non-U.S. Plans | Mutual funds | Fixed income funds | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Mutual funds | Fixed income funds | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	7,657	7,630
Non-U.S. Plans | Money market funds | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Money market funds | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	386	560
Non-U.S. Plans | Money market funds | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Money market funds | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	386	560
Non-U.S. Plans | Insurance contract | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Insurance contract | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Insurance contract | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	56,213	40,601
Non-U.S. Plans | Insurance contract | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	56,213	40,601
Non-U.S. Plans | Equity | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	7,310	6,206
Non-U.S. Plans | Equity | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Equity | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Equity | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	7,310	6,206
Non-U.S. Plans | Fixed income securities | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Fixed income securities | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	18,740	16,638
Non-U.S. Plans | Fixed income securities | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Fixed income securities | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	18,740	16,638
Non-U.S. Plans | Unit investment trusts | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Unit investment trusts | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	18,118	17,547
Non-U.S. Plans | Unit investment trusts | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Unit investment trusts | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	18,118	17,547
Non-U.S. Plans | Unit linked life insurance funds | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Unit linked life insurance funds | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	51,062	50,127
Non-U.S. Plans | Unit linked life insurance funds | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Unit linked life insurance funds | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	51,062	50,127
Non-U.S. Plans | Cash and cash equivalents | Level 1
Defined Benefit Plan Disclosure
Total investments at fair value	384	109
Non-U.S. Plans | Cash and cash equivalents | Level 2
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Cash and cash equivalents | Level 3
Defined Benefit Plan Disclosure
Total investments at fair value	0	0
Non-U.S. Plans | Cash and cash equivalents | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure
Total investments at fair value	$ 384	$ 109