Goodwill and Other Intangible Assets - Schedule of Intangible Assets by Major Category (Detail) - USD ($) $ in Millions	9 Months Ended
	Apr. 02, 2022	Jul. 02, 2022	Jul. 03, 2021	Jun. 27, 2020
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives, Gross Carrying Amount	$ 2,167.8		$ 1,581.1
Intangible assets with definite lives, Accumulated Amortization	(997.8)		(810.3)
Intangible assets with definite lives, Net	1,170.0	$ 1,170.0	770.8
Goodwill	2,279.2	$ 2,279.2	1,354.7	$ 1,353.0
Trade names	25.6		25.6
Total intangible assets with indefinite lives	2,304.8		1,380.3
Customer Relationships [Member]
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives, Gross Carrying Amount	1,562.1		1,154.1
Intangible assets with definite lives, Accumulated Amortization	(659.8)		(541.7)
Intangible assets with definite lives, Net	$ 902.3		612.4
Customer Relationships [Member] | Minimum [Member]
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives	4 years
Customer Relationships [Member] | Maximum [Member]
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives	12 years
Trade Names and Trademarks [Member]
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives, Gross Carrying Amount	$ 458.2		298.6
Intangible assets with definite lives, Accumulated Amortization	(220.4)		(160.5)
Intangible assets with definite lives, Net	$ 237.8		138.1
Trade Names and Trademarks [Member] | Minimum [Member]
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives	4 years
Trade Names and Trademarks [Member] | Maximum [Member]
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives	9 years
Deferred Financing Costs [Member]
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives, Gross Carrying Amount	$ 73.2		61.1
Intangible assets with definite lives, Accumulated Amortization	(53.3)		(48.9)
Intangible assets with definite lives, Net	$ 19.9		12.2
Intangible assets with definite lives	Debt term
Non-Compete [Member]
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives, Gross Carrying Amount	$ 38.1		38.1
Intangible assets with definite lives, Accumulated Amortization	(36.0)		(32.5)
Intangible assets with definite lives, Net	$ 2.1		5.6
Non-Compete [Member] | Minimum [Member]
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives	2 years
Non-Compete [Member] | Maximum [Member]
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives	5 years
Technology [Member]
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives, Gross Carrying Amount	$ 36.2		29.2
Intangible assets with definite lives, Accumulated Amortization	(28.3)		(26.7)
Intangible assets with definite lives, Net	$ 7.9		$ 2.5
Technology [Member] | Minimum [Member]
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives	5 years
Technology [Member] | Maximum [Member]
Goodwill And Other Intangible Assets [Line Items]
Intangible assets with definite lives	8 years