Business Segments and Geographic Information - Additional Information (Detail)	3 Months Ended			6 Months Ended
	Dec. 26, 2020 USD ($)	Jun. 27, 2020 Segment	Dec. 28, 2019 USD ($)	Mar. 28, 2020 Segment
Segment Reporting Disclosure [Line Items]
Number of reportable segments | Segment		5		5
Revenues	$ 1,609,800,000		$ 850,500,000
Intersegment
Segment Reporting Disclosure [Line Items]
Revenues	$ 0		$ 0