|
Cash, Cash Equivalents and Available-For-Sale Securities (Details 3) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2014
|
|---|---|
| Years to Maturity | |
| Within One Year | $ 123,066 |
| After One Year Through Two Years | 25,092 |
|
U S Treasury Securities [Member]
|
|
| Years to Maturity | |
| Within One Year | 2,029 |
|
U S Government Sponsored Enterprises Debt Securities [Member]
|
|
| Years to Maturity | |
| Within One Year | 32,523 |
| After One Year Through Two Years | 19,570 |
|
Corporate Bond Securities And Commercial Paper [Member]
|
|
| Years to Maturity | |
| Within One Year | 88,514 |
| After One Year Through Two Years | $ 5,522 |