Revenue from Contracts with Customers - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 28, 2019	Sep. 30, 2018	Sep. 29, 2018
Revenue from Contract with Customer [Abstract]
Deferred Revenue	$ 67,900		$ 35,900
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Retained earnings	1,178,677	$ 1,070,061	1,062,246
Contract assets	90,841	76,417	0
Inventories, net	$ 700,938	725,387	$ 794,346
Transferred over Time [Member]
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Percentage of Revenue	90.00%
ASU 2014-09
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Retained earnings	$ 9,321
Contract assets	90,841
Inventories, net	$ (81,895)
Adjustments due to the adoption of ASU 2014-09 \| ASU 2014-09
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Retained earnings		7,815
Contract assets		76,417
Inventories, net		$ (68,959)

Percentage of Revenue

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- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

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Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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