UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Sep. 29, 2019	Sep. 23, 2018
Income Statement [Abstract]
Revenue, net	$ 242.8	$ 274.2
Cost of revenue, net	168.6	175.9
Gross profit	74.2	98.3
Operating expenses:
Research and development	43.7	36.3
Sales, general and administrative	57.6	43.9
Amortization or impairment of acquisition-related intangibles	3.6	3.9
Loss on disposal or impairment of other assets	1.0	0.4
Other operating expense	7.2	3.0
Operating (loss) income	(38.9)	10.8
Non-operating (income) expense, net	(1.6)	9.7
(Loss) income before income taxes	(37.3)	1.1
Income tax expense	0.5	1.9
Net loss from continuing operations	(37.8)	(0.8)
Net loss from discontinued operations	0.0	(10.3)
Net loss	(37.8)	(11.1)
Net income attributable to noncontrolling interest	0.0	0.0
Net loss attributable to controlling interest	$ (37.8)	$ (11.1)
Basic and diluted loss per share
Continuing operations attributable to controlling interest (USD per share)	$ (0.35)	$ (0.01)
Net loss attributable to controlling interest (USD per share)	$ (0.35)	$ (0.11)
Weighted average shares - basic and diluted (shares)	107,113	101,884