CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 29, 2018	Dec. 30, 2017
Revenues:
Total net revenue	$ 306.9	$ 205.4	$ 575.4	$ 396.3
Cost of revenues:
Amortization of acquired technologies	8.5	4.1	17.9	8.2
Total cost of revenue	128.9	86.0	247.0	164.2
Gross profit	178.0	119.4	328.4	232.1
Operating expenses:
Research and development	45.9	29.9	88.5	59.0
Selling, general and administrative	88.5	76.7	172.9	149.0
Amortization of other intangibles	10.4	3.4	20.2	6.5
Restructuring and related charges	0.3	2.5	15.1	4.0
Total operating expenses	145.1	112.5	296.7	218.5
Income from operations	32.9	6.9	31.7	13.6
Interest and other income, net	1.7	2.9	3.6	3.1
Loss on sale of investments	(0.2)	0.0	(0.4)	0.0
Interest expense	(8.1)	(11.7)	(18.2)	(24.2)
Income (loss) before taxes	26.3	(1.9)	16.7	(7.5)
Provision for (benefit from) income taxes	10.9	(0.8)	16.6	1.2
Income (loss) from continuing operations, net of taxes	15.4	(1.1)	0.1	(8.7)
Loss from discontinued operations, net of taxes	(2.4)	0.0	(2.4)	0.0
Net income (loss)	$ 13.0	$ (1.1)	$ (2.3)	$ (8.7)
Income (loss) per share - basic:
Continuing operations (in dollars per share)	$ 0.07	$ 0.00	$ 0.00	$ (0.04)
Discontinued operations (in dollars per share)	(0.01)	0.00	(0.01)	0.00
Net income (loss) per share - basic (in dollars per share)	0.06	0.00	(0.01)	(0.04)
Income (loss) per share - diluted:
Continuing operations (in dollars per share)	0.07	0.00	0.00	(0.04)
Discontinued operations (in dollars per share)	(0.01)	0.00	(0.01)	0.00
Net income (loss) per share - diluted (in dollars per share)	$ 0.06	$ 0.00	$ (0.01)	$ (0.04)
Shares used in per-share calculation - basic (in shares)	228.3	227.4	227.8	227.7
Shares used in per-share calculation - diluted (in shares)	230.4	227.4	230.5	227.7
Product
Revenues:
Total net revenue	$ 272.8	$ 181.3	$ 513.9	$ 346.4
Cost of revenues:
Cost of revenue	106.0	69.5	203.9	132.1
Service
Revenues:
Total net revenue	34.1	24.1	61.5	49.9
Cost of revenues:
Cost of revenue	$ 14.4	$ 12.4	$ 25.2	$ 23.9