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Investments (Tables)
 3 Months Ended
Sep. 28, 2014
Investments, Debt and Equity Securities [Abstract]  
Summary of Short-term Investments by Type
The following tables summarize short-term investments (in thousands):
 
 
September 28, 2014
 
 
Amortized    
Cost
 
Gross Unrealized    
Gains
 
Gross
Unrealized    
Losses
 
 Estimated Fair 
Value
Municipal bonds
 

$295,437

 

$2,405

 

($24
)
 

$297,818

Corporate bonds
 
214,055

 
1,690

 
(419
)
 
215,326

U.S. agency securities
 
18,950

 
129

 
—

 
19,079

Non-U.S. certificates of deposit
 
373,303

 
—

 
—

 
373,303

Non-U.S. government securities
 
2,999

 
18

 
—

 
3,017

Total short-term investments
 

$904,744

 

$4,242

 

($443
)
 

$908,543

 
 
 
 
 
 
 
 
 
 
 
June 29, 2014
 
 
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Estimated Fair
Value
Municipal bonds
 

$291,869

 

$2,323

 

($12
)
 

$294,180

Corporate bonds
 
200,177

 
2,283

 
(114
)
 
202,346

U.S. agency securities
 
18,994

 
141

 
—

 
19,135

Non-U.S. certificates of deposit
 
352,928

 
—

 
—

 
352,928

Non-U.S. government securities
 
7,025

 
28

 
—

 
7,053

Total short-term investments
 

$870,993

 

$4,775

 

($126
)
 

$875,642
Summary of Gross Unrealized Losses and Estimated Fair Value of Short-term Investments, Aggregated by Investment Type and Length of Time
The following tables present the gross unrealized losses and estimated fair value of the Company's short-term investments, aggregated by investment type and the length of time that individual securities have been in a continuous unrealized loss position (in thousands, except numbers of securities):
 
 
September 28, 2014
 
 
Less than 12 Months
 
Greater than 12 Months
 
Total
 
 
Fair Value
 
Unrealized Loss
 
Fair Value
 
Unrealized Loss
 
Fair Value
 
Unrealized Loss
Municipal bonds
 

$10,125

 

($21
)
 

$1,516

 

($3
)
 

$11,641

 

($24
)
Corporate bonds
 
49,004

 
(265
)
 
12,935

 
(154
)
 
61,939

 
(419
)
U.S. agency securities
 
—

 
—

 
—

 
—

 
—

 
—

Non-U.S. certificates of deposit
 
—

 
—

 
—

 
—

 
—

 
—

Non-U.S. government securities
 
—

 
—

 
—

 
—

 
—

 
—

Total
 

$59,129

 

($286
)
 

$14,451

 

($157
)
 

$73,580

 

($443
)
Number of securities with an unrealized loss
 
 
 
32

 
 
 
7

 
 
 
39

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
June 29, 2014
 
 
Less than 12 Months
 
Greater than 12 Months
 
Total
 
 
Fair Value
 
Unrealized Loss
 
Fair Value
 
Unrealized Loss
 
Fair Value
 
Unrealized Loss
Municipal bonds
 

$7,906

 

($8
)
 

$1,520

 

($4
)
 

$9,426

 

($12
)
Corporate bonds
 
15,696

 
(31
)
 
13,049

 
(83
)
 
28,745

 
(114
)
U.S. agency securities
 
—

 
—

 
—

 
—

 
—

 
—

Non-U.S. certificates of deposit
 
—

 
—

 
—

 
—

 
—

 
—

Non-U.S. government securities
 
—

 
—

 
—

 
—

 
—

 
—

Total
 

$23,602

 

($39
)
 

$14,569

 

($87
)
 

$38,171

 

($126
)
Number of securities with an unrealized loss
 
 
 
13

 
 
 
7

 
 
 
20
Contractual Maturities of Short-term Investments by Type
The contractual maturities of short-term investments as of September 28, 2014 were as follows (in thousands):
 
 
Within One    
Year
 
After One,
Within Five    
Years
 
After Five,
Within Ten    
Years
 
After Ten    
Years
 
Total
Municipal bonds

$58,114

 

$210,550

 

$29,154

 

$—

 

$297,818

Corporate bonds
21,052

 
156,156

 
38,118

 
—

 
215,326

U.S. agency securities
6,571

 
12,508

 
—

 
—

 
19,079

Non-U.S. certificates of deposit
373,303

 
—

 
—

 
—

 
373,303

Non-U.S. government securities
—

 
3,017

 
—

 
—

 
3,017

Total short-term investments

$459,040

 

$382,231

 

$67,272

 

$—

 

$908,543