Income Taxes (Schedule of Tax Effects of Temporary Differences that Give Rise to Significant Portions of Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 24, 2012	Jun. 26, 2011
Income Tax Expense (Benefit) [Abstract]
Compensation	$ 2,594	$ 1,494
Inventory	13,051	10,132
Sales return reserve and allowance for bad debts	2,710	4,160
Warranty reserve	2,668	0
Federal and state net operating loss carryforwards	2,353	1,010
Federal credits	290	0
State credits	3,982	3,688
48C investment tax credits	15,905	11,176
Investments	980	970
Stock-based compensation	27,586	16,731
Other	1,056	2,071
Total gross deferred assets	73,175	51,432
Less valuation allowance	(1,611)	(1,620)
Deferred tax assets, net	71,564	49,812
Property and equipment	(29,307)	(19,590)
Intangible assets	(31,701)	(29,952)
Available-for-sale securities	(1,570)	(2,629)
Prepaid taxes and other	(1,045)	(890)
Total gross deferred liability	(63,623)	(53,061)
Deferred tax asset/(liability), net	$ 7,941	$ (3,249)