Goodwill and Intangible Assets - Narrative (Details) - USD ($)	1 Months Ended	3 Months Ended			6 Months Ended		12 Months Ended
	Sep. 27, 2020	Mar. 28, 2021	Jun. 28, 2020	Mar. 29, 2020	Mar. 28, 2021	Mar. 29, 2020	Sep. 27, 2020	Jun. 29, 2020
Goodwill [Line Items]
Impairment of goodwill							$ 0
Carrying value	$ 2,378,558,000	$ 2,455,062,000			$ 2,455,062,000		2,378,558,000
Goodwill	993,498,000	1,029,573,000			1,029,573,000		993,498,000
Amortization expense		2,200,000		$ 3,400,000	5,600,000	$ 6,400,000
Australia
Goodwill [Line Items]
Percentage negative growth			7.00%
All reporting units excluding ASP
Goodwill [Line Items]
Percentage of excess of fair value over carrying value								80.00%
ASP
Goodwill [Line Items]
Impairment of goodwill	15,800,000
Carrying value	144,900,000						144,900,000
Goodwill	95,500,000						95,500,000
GSG
Goodwill [Line Items]
Gross amounts of goodwill	534,000,000.0	541,900,000			541,900,000		534,000,000.0
Accumulated impairment	17,700,000	17,700,000			17,700,000		17,700,000
Goodwill	516,315,000	524,189,000			524,189,000		516,315,000
CIG
Goodwill [Line Items]
Gross amounts of goodwill	598,700,000	626,900,000			626,900,000		598,700,000
Accumulated impairment	121,500,000	121,500,000			121,500,000		121,500,000
Goodwill	$ 477,183,000	$ 505,384,000			$ 505,384,000		$ 477,183,000
CIG | ASP
Goodwill [Line Items]
Percentage of excess of fair value over carrying value								20.00%