Acquisitions (Details) $ in Millions	6 Months Ended	12 Months Ended
Apr. 03, 2022 USD ($)	Oct. 03, 2021 USD ($) employee
Business Acquisition [Line Items]
Contingent earn-out liability	$ 79.1
Minimum
Business Acquisition [Line Items]
Significant unobservable input, earn-out period	3 years
Minimum \| Existing customer contracts
Business Acquisition [Line Items]
Useful life of intangible assets	1 year
Minimum \| Trade names
Business Acquisition [Line Items]
Useful life of intangible assets	3 years
Maximum
Business Acquisition [Line Items]
Significant unobservable input, earn-out period	5 years
Maximum \| Existing customer contracts
Business Acquisition [Line Items]
Useful life of intangible assets	10 years
Maximum \| Trade names
Business Acquisition [Line Items]
Useful life of intangible assets	5 years
Business acquisitions
Business Acquisition [Line Items]
Fair value of acquisition purchase price	$ 70.0	$ 151.7
Initial cash payments	44.0	101.4
Payables related to estimated post-closing adjustments	1.8
Contingent earn-out liability	24.2	50.3
Aggregate maximum of contingent consideration	$ 35.5	$ 74.0
Earn-out period	5 years
Business acquisitions \| Minimum
Business Acquisition [Line Items]
Earn-out period		3 years
Business acquisitions \| Maximum
Business Acquisition [Line Items]
Earn-out period		4 years
Hoare Lea
Business Acquisition [Line Items]
Number of employees \| employee		900
All acquisitions
Business Acquisition [Line Items]
Aggregate maximum of contingent consideration	$ 139.6

Represents the earn out period for operating income projection used for fair value measurement.

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- Definition

Business Combination, Consideration Transferred, Working Capital Adjustments

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Business Combination, Contingent Consideration Arrangements, Earn Out Period

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- Definition

Represents the number of employees acquired in the acquisition.

+ References

No definition available.

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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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- Definition

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.

+ References

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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- Definition

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

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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