Income Taxes (Details 5) - USD ($) $ in Millions	12 Months Ended
	Jul. 02, 2016	Jun. 27, 2015	Dec. 26, 2015
Income Tax Disclosure [Abstract]
Increase (decrease) in deferred tax asset valuation allowances	$ 161.4	$ (24.6)
Change in basis of underlying assets for tax purposes	704.4
Net operating loss carryforwards
Portion of unrecognized tax benefits, if recognized, would impact the valuation allowance	2.1
Portion of unrecognized tax benefits, if recognized, would impact the effective tax rate	0.1
Accrued interest and penalties related to unrecognized tax benefits, less than	0.1	$ 0.1
Prospective adoption of ASU 2015-17
Net operating loss carryforwards
Reclassification of net current deferred tax asset			$ 0.1
Reclassification of net current deferred tax liability			$ 0.5
Federal
Net operating loss carryforwards
Net operating loss carryforwards	8.2
Research and other tax credit carryforwards	2.7
State
Net operating loss carryforwards
Net operating loss carryforwards	3.3
Research and other tax credit carryforwards	2.0
Foreign
Net operating loss carryforwards
Net operating loss carryforwards	48.5
Research and other tax credit carryforwards	42.2
Certain Foreign
Net operating loss carryforwards
Undistributed earnings of certain foreign subsidiaries	0.6
Estimated additional U.S. income or foreign withholding taxes that would have to be provided if earnings of foreign subsidiaries were repatriated to the U.S.	$ 0.1