Pension and Other Postretirement Pension Plans (Summary of Changes in the Fair Value of the Plans' Level 3 Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 29, 2017	Oct. 02, 2016	Sep. 30, 2016
U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	$ 142,464	$ 379,907	$ 379,907
Transfers			(228,971)
Fair value of plan assets at the end of the year	147,788		142,464
U.S. Pension Plans | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	9,192
Fair value of plan assets at the end of the year	6,176		9,192
U.S. Pension Plans | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	3,477
Fair value of plan assets at the end of the year			3,477
U.S. Pension Plans | Real estate | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	3,477	9,914	9,914
Purchases, sales, and settlements	(3,477)		(6,530)
Realized and unrealized gains (losses)			93
Fair value of plan assets at the end of the year			3,477
Purchases	(3,477)		(6,530)
U.S. Pension Plans | Hedge funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	5,715
Fair value of plan assets at the end of the year	6,176		5,715
U.S. Pension Plans | Hedge funds | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	5,715	16,372	16,372
Purchases, sales, and settlements	(557)		(10,788)
Realized and unrealized gains (losses)	1,018		131
Fair value of plan assets at the end of the year	6,176		5,715
Purchases	(557)		(10,788)
Non-U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	1,003,911	896,298	896,298
Effect of exchange rate changes	75,409	(126,646)
Fair value of plan assets at the end of the year	1,076,928	1,003,911	1,003,911
Non-U.S. Pension Plans | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	367,655
Fair value of plan assets at the end of the year	437,056		367,655
Non-U.S. Pension Plans | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	55,665
Fair value of plan assets at the end of the year	58,974		55,665
Non-U.S. Pension Plans | Real estate | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	55,665	61,996	61,996
Purchases, sales, and settlements	(1,199)		(462)
Realized and unrealized gains (losses)	2,642		2,572
Effect of exchange rate changes	1,866		(8,441)
Fair value of plan assets at the end of the year	58,974		55,665
Purchases	(1,199)		(462)
Non-U.S. Pension Plans | Hedge funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	272,517
Fair value of plan assets at the end of the year			272,517
Non-U.S. Pension Plans | Hedge funds | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	272,517	260,720	260,720
Purchases, sales, and settlements	(9,022)		(1,205)
Realized and unrealized gains (losses)	19,662		57,656
Transfers	11,758
Effect of exchange rate changes	8,814		(44,654)
Fair value of plan assets at the end of the year	303,729		272,517
Purchases	(9,022)		(1,205)
Non-U.S. Pension Plans | Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	39,473
Fair value of plan assets at the end of the year	74,353		39,473
Non-U.S. Pension Plans | Insurance contracts | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at the beginning of the year	39,473	$ 32,522	32,522
Purchases, sales, and settlements	422		(165)
Realized and unrealized gains (losses)	(7,572)		6,451
Transfers	40,031
Effect of exchange rate changes	1,999		665
Fair value of plan assets at the end of the year	74,353		39,473
Purchases	$ 422		$ (165)