Accumulated Other Comprehensive Income (Loss) (Activity and Classification of Derivative Deferral in AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 28, 2020	Mar. 30, 2019	Mar. 28, 2020	Mar. 30, 2019
Derivative Instruments, Gain (Loss)
Net deferral in AOCIL of derivatives (effective portion)	$ (1,198)	$ 43	$ 592	$ 707
Tax effect	241	(8)	(148)	(178)
Net deferral in AOCIL of derivatives	(957)	35	444	529
Foreign Currency Contracts
Derivative Instruments, Gain (Loss)
Net deferral in AOCIL of derivatives (effective portion)	(1,162)	150	632	1,049
Interest Rate Swaps
Derivative Instruments, Gain (Loss)
Net deferral in AOCIL of derivatives (effective portion)	$ (36)	$ (107)	$ (40)	$ (342)

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Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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