CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	9 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
OPERATING ACTIVITIES:
Net (loss) income	$ (33.4)	$ 62.3
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation expense	52.6	47.5
Asset retirement obligations and deferred rent expenses	(0.1)	0.6
Amortization expense of acquired technologies and other intangibles	65.4	67.1
Stock-based compensation	37.5	29.9
Amortization of debt issuance costs and debt discount	15.6	14.6
Net amortization of discount and premium on investments	2.9	2.7
Gain on sale of investments and assets, net	(0.4)	(3.1)
Impairment of investments	0.3	0.2
Allowance for doubtful accounts and sales returns	1.2	0.6
Changes in operating assets and liabilities, net of impact of acquisition of business:
Accounts receivable	28.6	(54.9)
Inventories	(22.9)	(32.4)
Other current and non-current assets	(6.5)	(17.6)
Accounts payable	(19.0)	14.9
Income taxes payable	(0.7)	(4.6)
Deferred revenue, current and non-current	2.4	54.5
Accrued payroll and related expenses	(36.9)	(11.9)
Accrued expenses and other current and non-current liabilities	(4.8)	(21.1)
Net cash provided by operating activities	81.8	149.3
INVESTING ACTIVITIES:
Purchases of available-for-sale investments	(333.1)	(251.0)
Maturities and sales of investments	324.9	220.1
Changes in restricted cash	2.1	(2.0)
Acquisition of business, net of cash acquired	(12.5)
Acquisition of property and equipment	(56.9)	(85.8)
Proceeds from sale of assets, net of selling costs	2.1	0.7
Net cash used in investing activities	(73.4)	(118.0)
FINANCING ACTIVITIES:
Redemption of convertible debt		(0.2)
Proceeds from financing obligations	6.9
Payment of financing obligations	(9.7)	(5.7)
Payment of debt issuance costs	(1.6)
Issuance of stock pursuant to employee stock plans	17.5	36.7
Net cash provided by financing activities	13.1	30.8
Effect of exchange rate changes on cash and cash equivalents	(2.9)	5.5
Increase in cash and cash equivalents	18.6	67.6
Cash and cash equivalents at beginning of period	395.4	340.2
Cash and cash equivalents at end of period	$ 414.0	$ 407.8