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Convertible Senior Notes (Tables)

9 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Schedule of Carrying Values of Company's 2026 Notes

The carrying values of the Company’s 2026 Notes are as follows (in thousands):

			June 30, 2021
2026 Notes:
Principal amount			$	155,250
Less: unamortized discount and issuance costs, net of amortization			(35,625)
Carrying amount			$	119,625
2026 Notes embedded conversion derivative			$	54,334

Schedule of Changes in Fair Value of Embedded Conversion Derivative

The following table includes a summary of the contingent consideration measured at fair value using significant unobservable inputs (Level 3) during the nine months ended June 30, 2021 (amounts shown in thousands):

Balance at September 30, 2020			$	753
Contingent consideration associated with ID R&D Acquisition			15,280
Foreign currency effect on contingent consideration			29
Payment of contingent consideration			(782)
Balance at June 30, 2021			$	15,280

The following table presents the fair value and the change in fair value for the embedded conversion derivative (in thousands):

Embedded conversion derivative
Fair value as of February 5, 2021			$	33,192
Change in fair value			1,527
Fair value as of March 31, 2021			34,719
Change in fair value			19,615
Fair value as of June 30, 2021			$	54,334

Schedule of Interest Costs Recognized Related to 2026 Notes

The following table presents the total amount of interest cost recognized relating to the 2026 Notes (in thousands):

			Three Months Ended June 30,												Nine Months Ended June 30,
			2021						2020						2021						2020
Contractual interest expense			$	290					$	—					$	463					$	—
Amortization of debt discount and issuance costs			1,933						—						3,080						—
Total interest expense recognized			$	2,223					$	—					$	3,543					$	—

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