Financial Instruments - Change in Fair value (Details) - Apex - USD ($) $ in Millions		3 Months Ended
Nov. 30, 2015	Sep. 29, 2019	Apr. 02, 2017
Reconciliation of changes in fair value of all financial assets and liabilities measured on recurring basis
Liability recorded at acquisition date fair value	$ 5.5
Shares remaining to be acquired (as a percent)	20.00%
Call option term	3 years
Outstanding shares acquired (as a percent)	80.00%	10.00%	10.00%
Purchase price	$ 20.4	$ 2.8	$ 2.9
Aggregate ownership percentage			90.00%

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date.

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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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No definition available.

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Call option period of time to acquire remaining shares as part of a business acquisition.

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Percentage of voting equity interests remaining yet to be acquired in the business combination.

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