Balance Sheet and Other Details - Other Non-Current Liabilities (Details) - USD ($) $ in Millions	Jun. 27, 2020	Jun. 29, 2019
Balance Sheet and Other Details [Abstract]
Pension and post-employment benefits	$ 102.7	$ 103.2
Deferred tax liability	23.9	14.6
Financing obligation	16.2	25.5
Fair value of contingent consideration	9.4	37.7
Long-term deferred revenue	20.0	13.2
Operating lease liabilities (Note 12)	28.1	0.0
Uncertain tax position	11.6	13.6
Other	19.3	18.7
Other non-current liabilities	$ 231.2	$ 226.5
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent