Pension and Other Postretirement Pension Plans (Schedule of Amount Recognized in Accompanying Balance Sheets) (Details) - USD ($) $ in Thousands	Sep. 29, 2017	Sep. 30, 2016
U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Prepaid benefit cost included in prepaid assets	$ 0	$ 0
Accrued benefit cost included in current liabilities	0	0
Accrued benefit cost included in noncurrent liabilities	22,154	43,200
Net amount recognized at the end of the year	22,154	43,200
Non-U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Prepaid benefit cost included in prepaid assets	3,035	492
Accrued benefit cost included in current liabilities	585	608
Accrued benefit cost included in noncurrent liabilities	232,329	359,755
Net amount recognized at the end of the year	$ 229,879	$ 359,871