Investments (Tables)

12 Months Ended

Jun. 30, 2013

Investments, Debt and Equity Securities [Abstract]

Summary of Available-for-Sale Securities

Available-for-sale securities as of June 30, 2013 are summarized as follows (in thousands):

	Amortized Costs		Gross Unrealized Gain		Gross Unrealized Loss			Net Unrealized Gain		Market Value
Short-Term Investments:
Corporate debt	$	—	$	40	$	—		$	40	$	40
U.S. government and agency obligations	11,007		9		—			9		11,016
Total short-term investments	$	11,007	$	49	$	—		$	49	$	11,056
Equity securities	$	11,631	$	5,739	$	(5	)	$	5,734	$	17,365

Available-for-sale securities as of June 24, 2012 are summarized as follows (in thousands):

	Amortized Costs		Gross Unrealized Gain		Gross Unrealized Loss			Net Unrealized Gain		Market Value
Short-Term Investments:
Corporate debt	$	6,045	$	26	$	—		$	26	$	6,071
U.S. government and agency obligations	57,796		10		(5		)	5		57,801
Total short-term investments	$	63,841	$	36	$	(5	)	$	31	$	63,872
Long-Term Investments:
U.S. government and agency obligations	$	15,053	$	7	$	(6	)	$	1	$	15,054
Total long-term investments	$	15,053	$	7	$	(6	)	$	1	$	15,054
Equity securities	$	11,631	$	3,848	$	—		$	3,848	$	15,479

Other-Than-Temporary Impairments

The following table provides the Company’s other-than-temporary impairments for equity, asset-backed, and mortgage-backed securities (in thousands):

	Fiscal Year Ended
	June 30, 2013		June 24, 2012		June 26, 2011
Privately held domestic company-common and preferred stock	$	350	$	1,504	$	—
Publicly traded foreign companies-common stock	—		1,332		1,433
Mortgage-backed securities	—		29		—
Total other-than-temporary impairments	$	350	$	2,865	$	1,433

Fair Value and Gross Unrealized Losses Related to Available-for-sale Securities

The following table summarizes the fair value and gross unrealized losses related to available-for-sale investments, aggregated by type of investment and length of time that individual securities have been held as of June 30, 2013 and June 24, 2012. The unrealized loss position is measured and determined at each fiscal year end (in thousands):

	Securities held in a loss position for less than 12 months at June 30, 2013					Securities held in a loss position for 12 months or more at June 30, 2013				Total in a loss position at June 30, 2013
	Market Value		Gross Unrealized Losses			Market Value		Gross Unrealized Losses		Market Value		Gross Unrealized Losses
Equity securities	$	1,052	$	(5	)	$	—	$	—	$	1,052	$	(5	)
Total	$	1,052	$	(5	)	$	—	$	—	$	1,052	$	(5	)

	Securities held in a loss position for less than 12 months at June 24, 2012					Securities held in a loss position for 12 months or more at June 24, 2012				Total in a loss position at June 24, 2012
	Market Value		Gross Unrealized Losses			Market Value		Gross Unrealized Losses		Market Value		Gross Unrealized Losses
U.S government and agency obligations	$	46,420	$	(11	)	$	—	$	—	$	46,420	$	(11	)
Total	$	46,420	$	(11	)	$	—	$	—	$	46,420	$	(11	)

Amortized Cost and Estimated Fair Value of Investments by Contractual Maturity

The amortized cost and estimated fair value of investments at June 30, 2013, by contractual maturity, are as follows (in thousands):

Contractual Maturity	Amortized Cost		Estimated Market Value
Due in 1 year or less	$	11,007	$	11,056
Due in 2-5 years	—		—
Due after 5 years	—		—
Total investments	$	11,007	$	11,056

Investments Measured at Fair Value on a Recurring Basis

The following tables present the balances of investments measured at fair value on a recurring basis (in thousands):

	As of June 30, 2013
	Total		Level 1		Level 2		Level 3
Corporate debt	$	40	$	—	$	40	$	—
U.S. government and agency obligations	11,016		6,004		5,012		—
Equity securities-strategic investments	17,365		17,365		—		—
Total securities at fair value	$	28,421	$	23,369	$	5,052	$	—

	As of June 24, 2012
	Total		Level 1		Level 2		Level 3
Corporate debt	$	6,071	$	—	$	6,071	$	—
U.S. government and agency obligations	72,855		43,059		29,796		—
Equity securities-strategic investments	15,479		15,479		—		—
Total securities at fair value	$	94,405	$	58,538	$	35,867	$	—