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.

No definition available.

Name:	us-gaap_DeferredRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Revenue from Contracts with Customers - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 04, 2020	Mar. 30, 2019	Apr. 04, 2020	Mar. 30, 2019	Sep. 28, 2019
Disaggregation of Revenue [Line Items]
Deferred Revenue	$ 80.0		$ 80.0		$ 67.9
Transferred over Time [Member]
Disaggregation of Revenue [Line Items]
Percentage of Revenue	90.00%	90.00%	90.00%	90.00%