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Property and Equipment - Property and Equipment (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 25, 2022	Jun. 26, 2021
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 185.7	$ 222.2
Accumulated depreciation and amortization	(122.8)	(131.0)
Property and equipment, net	62.9	91.2
Land [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	0.0	13.3
Building and Building Improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 0.0	52.7
Building and Building Improvements [Member] | Maximum [Member]
Property Plant And Equipment [Line Items]
Estimated useful lives	35 years
Computer Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 19.3	22.9
Estimated useful lives	3 years
Computer Equipment [Member] | Maximum [Member]
Property Plant And Equipment [Line Items]
Estimated useful lives	5 years
Manufacturing Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 93.3	71.9
Manufacturing Equipment [Member] | Minimum [Member]
Property Plant And Equipment [Line Items]
Estimated useful lives	1 year
Manufacturing Equipment [Member] | Maximum [Member]
Property Plant And Equipment [Line Items]
Estimated useful lives	5 years
Furniture, Fixtures and Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 39.6	27.2
Furniture, Fixtures and Leasehold Improvements [Member] | Minimum [Member]
Property Plant And Equipment [Line Items]
Estimated useful lives	3 years
Furniture, Fixtures and Leasehold Improvements [Member] | Maximum [Member]
Property Plant And Equipment [Line Items]
Estimated useful lives	10 years
Capitalized Software [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 24.3	28.1
Capitalized Software [Member] | Minimum [Member]
Property Plant And Equipment [Line Items]
Estimated useful lives	3 years
Capitalized Software [Member] | Maximum [Member]
Property Plant And Equipment [Line Items]
Estimated useful lives	7 years
Construction in Progress [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 9.2	$ 6.1

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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