Fair Value (Fair Values And Classification Of Financial Assets And Liabilities Measured On A Recurring Basis) (Details) - Level 2 - USD ($) $ in Thousands	Mar. 28, 2020	Sep. 28, 2019
Other Current Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Foreign currency forwards, fair value assets	$ 2,166	$ 1,153
Interest rate swap, fair value assets	0	57
Other Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Foreign currency forwards, fair value assets	0	261
Total Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Total fair value assets	2,166	1,471
Other Accrued Liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Foreign currency forwards, fair value liabilities	1,860	1,095
Interest Rate Derivative Liabilities, at Fair Value	35	0
Other Long-Term Liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Foreign currency forwards, fair value liabilities	165	152
Total Liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Total fair value liabilities	$ 2,060	$ 1,247