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Investments	9 Months Ended
	Sep. 30, 2015
Investments [Abstract]
Investments	NOTE C – Investments We have purchased certificates of deposit held for investment with original maturities greater than three months.  The fair values of the certificates of deposit approximates their carrying amounts.  Certificates of deposit with remaining maturities less than one year totaled $6.8 million and are classified as current and those with remaining maturities greater than one year totaled $0.8 million and are included in other assets.

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- Definition

The entire disclosure for investments, including all tables.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Article 6



-Section 10



-Paragraph (c)



-Subparagraph (1)

+ Details

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- References

No definition available.

+ Details

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