Marketable Securities Textuals (Details) $ in Millions |
6 Months Ended |
|---|---|
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Jun. 30, 2016
USD ($)
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| Marketable Securities [Abstract] | |
| Available-for-sale securities maturities, next twelve months | $ 144.7 |
| Number of available-for-sale securities in unrealized loss position, less than one year | 6 |
| Other than Temporary Impairment Losses, Marketable Securities | $ 0.0 |
| X | ||||||||||
- Definition Fair value of available-for-sale debt securities maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Number of investment positions in available-for-sale investments in a continuous unrealized loss position for less than one year or normal operating cycle, if longer, for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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