CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ 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
CONSOLIDATED STATEMENTS OF OPERATIONS
Net revenue	$ 427.7	$ 410.7	$ 437.1	$ 433.6	$ 448.6	$ 418.0	$ 447.6	$ 429.0	$ 1,709.1	$ 1,743.2	$ 1,676.9
Cost of sales	225.7	215.5	225.5	224.3	228.2	222.3	232.8	232.4	891.0	915.7	919.0
Amortization of acquired technologies	7.4	10.9	11.1	10.0	10.9	11.0	9.9	11.4	39.4	43.2	63.3
Gross profit	194.6	184.3	200.5	199.3	209.5	184.7	204.9	185.2	778.7	784.3	694.6
Operating expenses:
Research and development	80.9	76.7	79.2	76.4	80.0	74.1	72.3	69.6	313.2	296.0	258.5
Selling, general and administrative	121.3	116.7	114.8	110.7	120.9	113.4	109.0	107.1	463.5	450.4	429.3
Amortization of other intangibles	4.8	4.9	5.0	5.1	5.1	5.2	2.8	2.7	19.8	15.8	12.7
Restructuring and related charges	13.6	8.3	9.7	2.9	20.0	3.6	1.0		34.5	23.8	19.0
Restructuring recoveries								(0.8)
Total operating expenses	220.6	206.6	208.7	195.1	226.0	196.3	185.1	178.6	831.0	786.0	719.5
Loss from operations	(26.0)	(22.3)	(8.2)	4.2	(16.5)	(11.6)	19.8	6.6	(52.3)	(1.7)	(24.9)
Interest and other income (expense), net	2.2	0.3	0.4	0.5	0.1	0.6	0.4	(0.6)	3.4	0.5	(4.1)
Interest expense	(8.6)	(8.6)	(8.5)	(8.3)	(8.4)	(7.7)	(8.4)	(5.2)	(34.0)	(29.7)	(17.9)
Loss from continuing operations before income taxes	(32.4)	(30.6)	(16.3)	(3.6)	(24.8)	(18.7)	11.8	0.8	(82.9)	(30.9)	(46.9)
Provision for (benefit from) income taxes	7.7	(17.4)	8.8	6.1	0.6	(17.2)	3.0	0.5	5.2	(13.1)	(103.9)
Net (loss) income from continuing operations, net of tax									(88.1)	(17.8)	57.0
Net (loss) income	$ (40.1)	$ (13.2)	$ (25.1)	$ (9.7)	$ (25.4)	$ (1.5)	$ 8.8	$ 0.3	$ (88.1)	$ (17.8)	$ 57.0
Basic net (loss) income per share from:
Continuing operations (in dollars per share)									$ (0.38)	$ (0.08)	$ 0.24
Net (loss) income (in dollars per share)	$ (0.17)	$ (0.06)	$ (0.11)	$ (0.04)	$ (0.11)	$ (0.01)	$ 0.04	$ 0.00	(0.38)	(0.08)	0.24
Diluted net (loss) income per share from:
Continuing operations (in dollars per share)									(0.38)	(0.08)	0.24
Net (loss) income (in dollars per share)	$ (0.17)	$ (0.06)	$ (0.11)	$ (0.04)	$ (0.11)	$ (0.01)	$ 0.04	$ 0.00	$ (0.38)	$ (0.08)	$ 0.24
Shares used in per share calculation:
Basic	234.6	233.2	232.1	230.8	234.3	234.0	233.0	235.3	232.7	234.2	235.0
Diluted	234.6	233.2	232.1	230.8	234.3	234.0	235.8	239.6	232.7	234.2	239.3