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Investments Investments (Summary of Investment Securities, Aggregated by Investment Type and Length of Time) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 30, 2014 | Mar. 31, 2013 | Mar. 30, 2014 | Mar. 31, 2013 | Jun. 30, 2013
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Fair Value, Less than 12 Months | $ 144,544 |  | $ 144,544 |  | $ 234,470
Unrealized Loss, Less than 12 Months | (825) |  | (825) |  | (3,098)
Fair Value, Greater than 12 Months | 1,979 |  | 1,979 |  | 0
Unrealized Loss, Greater than 12 Months | (38) |  | (38) |  | 0
Fair Value, Total | 146,523 |  | 146,523 |  | 234,470
Unrealized Loss, Total | (863) |  | (863) |  | (3,098)
Number of Securities with an Unrealized Loss, Less than 12 Months | 71 |  | 71 |  | 123
Number of Securities with an Unrealized Loss, Greater than 12 Months | 1 |  | 1 |  | 0
Number of Securities with an Unrealized Loss, Total | 72 |  | 72 |  | 123
Gain on sale of investments, net | 15 | 48 | 25 | 84 |
Municipal Bonds [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Fair Value, Less than 12 Months | 61,656 |  | 61,656 |  | 126,926
Unrealized Loss, Less than 12 Months | (289) |  | (289) |  | (1,314)
Fair Value, Greater than 12 Months | 0 |  | 0 |  | 0
Unrealized Loss, Greater than 12 Months | 0 |  | 0 |  | 0
Fair Value, Total | 61,656 |  | 61,656 |  | 126,926
Unrealized Loss, Total | (289) |  | (289) |  | (1,314)
Corporate Bonds [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Fair Value, Less than 12 Months | 82,888 |  | 82,888 |  | 102,010
Unrealized Loss, Less than 12 Months | (536) |  | (536) |  | (1,765)
Fair Value, Greater than 12 Months | 1,979 |  | 1,979 |  | 0
Unrealized Loss, Greater than 12 Months | (38) |  | (38) |  | 0
Fair Value, Total | 84,867 |  | 84,867 |  | 102,010
Unrealized Loss, Total | (574) |  | (574) |  | (1,765)
Non-U.S. Government Securities [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Fair Value, Less than 12 Months | 0 |  | 0 |  | 5,534
Unrealized Loss, Less than 12 Months | 0 |  | 0 |  | (19)
Fair Value, Greater than 12 Months | 0 |  | 0 |  | 0
Unrealized Loss, Greater than 12 Months | 0 |  | 0 |  | 0
Fair Value, Total | 0 |  | 0 |  | 5,534
Unrealized Loss, Total | $ 0 |  | $ 0 |  | $ (19)

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