FAIR VALUE OF FINANCIAL INSTRUMENTS
 12 Months Ended
Jun. 30, 2019
Fair Value Disclosures [Abstract]  
FAIR VALUE OF FINANCIAL INSTRUMENTS FAIR VALUE OF FINANCIAL INSTRUMENTSThe following tables summarize the Company's financial instruments' adjusted cost, gross unrealized gains and losses, and fair value by significant investment category as of June 30, 2019 (in thousands):
June 30, 2019
Adjusted CostGross Unrealized GainsGross Unrealized LossesFair ValueCash and Cash Equivalents (1)Short-Term InvestmentsLong-Term Investments
Level 1
Money market funds$1,328 $— $— $1,328 $1,328 $— $— 
Subtotal$1,328 $— $— $1,328 $1,328 $— $— 
Level 20
Commercial paper$1,123 $— $— $1,123 $524 $599 $— 
Corporate securities83,568 372 (2)83,938 — 57,377 26,561 
U.S agency securities4,702 4 — 4,706 — 3,712 994 
US Government Bonds12,189 20 (1)12,208 — 8,178 4,030 
Subtotal$101,582 $396 $(3)$101,975 $524 $69,866 $31,585 
Total$102,910 $396 $(3)$103,303 $1,852 $69,866 $31,585 
(1) Cash and cash equivalents on the consolidated balance sheets includes securities that have a maturity of three months or less at the date of purchase. The carrying amount approximates fair value, primarily due to the short maturity of cash equivalent instruments.
During fiscal year end June 30, 2019, the Company reclassified realized net gain of $30.5 thousand to earnings from accumulated other comprehensive income.
During fiscal year end June 30, 2019, we had $2.7 million of interest income on our investment securities.
The following table represents the Company's marketable securities that had been in continuous unrealized loss position for less than 12 months and for 12 months or greater as of June 30, 2019 (in thousands):
June 30, 2019
Continuous Unrealized Losses
Less than 12 Months12 Months or GreaterTotal
Fair Value of marketable securities$8,072 $— $8,072 
Unrealized Loss$(3)$— $(3)
Based on evaluation of securities that have been in a continuous loss position, we did not recognize any other-than-temporary impairment charges during fiscal year end June 30, 2019.
The following table represents the adjusted costs and fair value of cash equivalents and investments by contractual maturity as of June 30, 2019 (in thousands):
Available-For-Sale
Adjusted CostFair Value
Due within 1 year71,507 71,718 
Due after 1 year through 5 years31,403 31,585 
Total$102,910 $103,303 
For certain of the Company’s financial instruments, other than those presented in the disclosures above, including cash, accounts receivable, accounts payable and other current liabilities, the carrying amounts approximate fair value due to their short maturities.
As of June 30, 2019 and June 30, 2018, the Company had debt associated with its Second Amended & Restated Credit Agreement (See Note 8), which is carried at historical cost. The fair value of the Company’s debt disclosed below was estimated based on the current rates offered to the Company for debt with similar terms and remaining maturities and was a Level 2 measurement. As of June 30, 2019 and June 30, 2018, the fair value of the Company's debt carried at historical cost was $497.5 and $487.5 million, respectively.