Goodwill and Intangible Assets - Components of Intangible Assets (Details) - USD ($) $ in Millions	Mar. 29, 2020	Jun. 30, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	$ 348.3	$ 356.8
Accumulated Amortization	(164.7)	(158.9)
Total future amortization expense	183.6	197.9
Acquisition related intangible assets
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	235.4	236.4
Accumulated Amortization	(103.7)	(92.9)
Total future amortization expense	131.7	143.5
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	147.8	147.8
Accumulated Amortization	(68.4)	(63.8)
Total future amortization expense	79.4	84.0
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	74.9	75.9
Accumulated Amortization	(28.4)	(24.5)
Total future amortization expense	46.5	51.4
Non-compete agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	12.2	12.2
Accumulated Amortization	(6.4)	(4.1)
Total future amortization expense	5.8	8.1
Trade names, finite-lived
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	0.5	0.5
Accumulated Amortization	(0.5)	(0.5)
Total future amortization expense	0.0	0.0
Patent and licensing rights
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	112.9	120.4
Accumulated Amortization	(61.0)	(66.0)
Total future amortization expense	$ 51.9	$ 54.4