Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Jun. 27, 2015	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Income (loss) before income taxes
Domestic									$ (184.9)	$ (87.9)	$ (98.8)
Foreign									102.0	57.1	51.9
(Loss) income before income taxes									(82.9)	(30.8)	(46.9)
Federal:
Current										(0.5)
Deferred									2.3	(4.5)	(0.7)
Total Federal income tax expense (benefit)									2.3	(5.0)	(0.7)
State:
Deferred									0.1	(0.2)
Total state and local income tax expense (benefit)									0.1	(0.2)
Foreign:
Current									(2.7)	18.2	18.4
Deferred									5.5	(26.1)	(121.6)
Total foreign income tax expense (benefit)									2.8	(7.9)	(103.2)
Total Income tax (benefit) expense	$ 7.7	$ (17.4)	$ 8.8	$ 6.1	$ 0.6	$ (17.2)	$ 3.0	$ 0.5	5.2	(13.1)	(103.9)
Uncertain tax benefits related to the settlement of an audit/deferred tax assets due to the expiration of the statute of limitations in a non-US jurisdiction and/or other similar nature									21.8
Reconciliation of the Company's income tax expense (benefit) at the federal statutory rate to the income tax expense (benefit) at the effective tax rate
Tax benefit associated with exercise of stock options									0.0	0.0	0.0
Income tax (benefit) expense computed at federal statutory rate									(29.0)	(10.8)	(16.4)
Foreign rate differential									(2.3)	(1.8)	(2.4)
Valuation allowance									37.3	24.2	(84.5)
Statute expiration										(21.7)
Reversal of previously accrued taxes									(22.6)	(1.0)	(0.7)
Research and experimentation benefits and other tax credits									(4.7)	(5.0)	(3.2)
Permanent items									22.8	7.6	4.4
Other									3.7	(4.6)	(1.1)
Total Income tax (benefit) expense	$ 7.7	$ (17.4)	$ 8.8	$ 6.1	$ 0.6	$ (17.2)	$ 3.0	$ 0.5	$ 5.2	$ (13.1)	$ (103.9)