Balance Sheet Accounts (Narratives) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended									0 Months Ended
	Mar. 31, 2013 Investment_Securities	Apr. 01, 2012	Mar. 31, 2013 Investment_Securities	Apr. 01, 2012	Mar. 31, 2013 Minimum	Mar. 31, 2013 Maximum	Mar. 31, 2013 Cash Equivalents Maximum	Mar. 31, 2013 Short-term Investments Minimum	Mar. 31, 2013 Short-term Investments Maximum	Mar. 31, 2013 Marketable Securities Minimum	Mar. 31, 2013 Available-for-sale Securities Government and Corporate Debt Securities	Sep. 11, 2012 Santa Clara Headquarters acre
Balance Sheet Accounts [Line Items]
Maturity period for investments							3 months	3 months	1 year	1 year	3 years
Number of securities with unrealized losses	19		19
Number of investment securities	63		63
Number of acres of land sold												16
Net cash proceeds from sale of real estate			$ 42,659	$ 0								$ 44,700
Gain on sale of property	$ 0	$ 0	$ 11,539	$ 0								$ 11,500
Maximum investment in one obligor or maker (percent)			10.00%
Extended warranty contracts period					1 year	5 years
Standard hardware warranty period			12 months
Standard software warranty period			90 days
Limited lifetime hardware warranty maximum period after end of sale of product			5 years