Derivative Financial Instruments - Schedule of Derivative Instruments and Hedging Activities Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 31, 2021	Mar. 28, 2020	Mar. 31, 2021	Mar. 28, 2020
Foreign Exchange Forward Contract and Options \| Not Designated as Hedging Instrument \| Other expense, net
Derivative Instruments Gain Loss [Line Items]
Net realized and unrealized gain (loss), excluding the underlying foreign currency exposure being hedged	$ (3,033)	$ 1,189	$ (4,620)	$ 652
Foreign Exchange Forward \| Designated as Hedging Instrument \| Net Investment Hedging
Derivative Instruments Gain Loss [Line Items]
Gain (loss) recognized in OCI	1,462	(2,140)	2,041	(5,706)
Loss reclassified from OCI	(3,041)	(6,016)	(99)	(6,778)
Foreign Exchange Forward \| Designated as Hedging Instrument \| Other expense, net \| Net Investment Hedging
Derivative Instruments Gain Loss [Line Items]
Gain recognized, excluded portion	$ 426	$ 962	$ 733	$ 2,191

Amount of gain (loss) from excluded component of derivative hedge, recognized in earnings. Excludes recognition under systematic and rational method.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Amount, before tax, of reclassification from accumulated other comprehensive income (AOCI) for gain (loss) from derivative designated and qualifying as net investment hedge.

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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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