Investments	9 Months Ended
Sep. 30, 2018
Investments, Debt and Equity Securities [Abstract]
Investments	NOTE 4 – INVESTMENTS Cash and cash equivalents includes investments in money market funds that are valued based on the net asset value of the funds. The investments in these funds were $117.7 million and $55.6 million as of September 30, 2018 and December 31, 2017, respectively. The increase from December 31, 2017 primarily stems from an additional $100.0 million in loan proceeds received in connection with our term loan amendment that took place on June 19, 2018. See Note 6, Long-Term Debt, for additional information. All other investments are classified as held-to-maturity and consist of highly liquid instruments, primarily including corporate bonds and commercial paper. As of September 30, 2018 and December 31, 2017, the amortized cost of these investments equaled the net carrying value, which was $15.4 million and $30.1 million, respectively. All held-to-maturity securities as of September 30, 2018 mature in one year or less. See Note 7, Fair Value Measurements, for additional information.

Investments

9 Months Ended

Sep. 30, 2018

Investments, Debt and Equity Securities [Abstract]

NOTE 4 – INVESTMENTS

Cash and cash equivalents includes investments in money market funds that are valued based on the net asset value of the funds. The investments in these funds were $117.7 million and $55.6 million as of September 30, 2018 and December 31, 2017, respectively. The increase from December 31, 2017 primarily stems from an additional $100.0 million in loan proceeds received in connection with our term loan amendment that took place on June 19, 2018. See Note 6, Long-Term Debt, for additional information.

All other investments are classified as held-to-maturity and consist of highly liquid instruments, primarily including corporate bonds and commercial paper. As of September 30, 2018 and December 31, 2017, the amortized cost of these investments equaled the net carrying value, which was $15.4 million and $30.1 million, respectively. All held-to-maturity securities as of September 30, 2018 mature in one year or less. See Note 7, Fair Value Measurements, for additional information.