Fair Value Measurements (Tables)

9 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Summary of financial assets that were accounted for at fair value

The tables below set forth, by level, the Company’s financial assets that were accounted for at fair value (in thousands):

	March 31, 2018
							Estimated Fair Value
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Cash and Cash Equivalents		Short-term Investments
Cash	$	70,392	$	—	$	—	$	70,392	$	—
Level 2
Corporate securities		533		355						888
Total	$	70,925	$	355	$	—	$	70,392	$	888

	June 30, 2017
								Estimated Fair Value
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Cash and Cash Equivalents		Short-term Investments
Cash	$	70,515	$	—	$	—		$	70,515	$	—
Level 1
Money market funds		1,569		—		—			1,569		—
Level 2
U.S. government agency securities		23,998		—		(89	)		—		23,909
Total	$	96,082	$	—	$	(89	)	$	72,084	$	23,909

Summary of carrying values and estimated fair values of short-term and long-term debt

The following table summarizes the carrying value and estimated fair value of all Debt (in thousands):

	March 31, 2018				June 30, 2017
	Carrying Value		Fair Value		Carrying Value		Fair Value
3.50% Convertible Notes	$	—	$	—	$	44,099	$	48,146
3.50% Series A Convertible Notes		—		—		68,924		74,982
3.75% Convertible Notes		68,598		96,900		—		—
Revolving Credit Facility		28,007		28,007		51,548		51,548
Term Loan		37,716		37,716		—		—
Total	$	134,321	$	162,623	$	164,571	$	174,676