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Share-Based Compensation (Tables)

6 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Stock Option Activity

A summary of option activity under the Company's equity plans, including the Company's inducement awards, is as follows for the transition period ended December 31, 2020:

(number of shares in millions)			Number of shares						Weighted average exercise price
Options outstanding at beginning of period			4.8						$	24.47
Options granted			0.7						13.38
Less:
Options exercised			—						—
Options canceled or expired			(0.3)						19.12
Options outstanding at end of period			5.2						23.24
Options exercisable at end of period			4.6						24.71
Options vested and expected to vest			5.2						23.24

Schedule of Valuation Assumptions for Stock Options

During the transition period ended December 31, 2020, the valuation assumptions used for stock options were as follows:

			Transition Period Ended December 31,
			2020
Risk-free interest rate			0.3% - 0.5%
Expected dividend yield			—%
Expected life (in years)			4.75
Derived service period (in years)			1 - 2.6
Expected volatility			73% - 77%

Summary of Stock Options Outstanding

The following table summarizes information about stock options outstanding at December 31, 2020 (number of shares in millions):

						Options outstanding and exercisable
Range of exercise prices						Number outstanding at December 31, 2020						Weighted average remaining contractual life (years)						Weighted average exercise price
13.38 - 19.47						1.7						2.92						$	19.13
21.29 - 25.39						0.5						0.98						23.97
26.49 - 26.49						1.5						0.70						26.49
27.07 - 36.55						1.5						1.69						27.18
						5.2						1.75						$	24.71

Schedule of Restricted Stock Units Activity

A summary of the RSU activity under the Company's equity plans, including the Company's inducement awards and RSU awards with performance metrics, is as follows for the transition period ended December 31, 2020:

			2020
(number of shares in millions)			Number of shares						Weighted average grant date fair value
RSUs outstanding at beginning of period			2.3						$	32.50
RSUs granted			2.1						13.69
Less:
RSUs vested			(0.9)						32.22
RSUs canceled			(0.3)						31.51
RSUs outstanding at end of period			3.2						$	20.56

Schedule of Share-Based Compensation Expense

Share-based compensation expense recognized and included in the Consolidated Statements of Operations were as follows:

			Transition Period Ended December 31,						Years Ended June 30,
(in millions)			2020						2020						2019						2018
Cost of molecular diagnostic testing			$	0.6					$	1.2					$	0.8					$	0.7
Cost of pharmaceutical and clinical services			0.1						0.3						0.2						0.2
Research and development expense			2.4						5.0						5.4						4.3
Selling, general, and administrative expense			11.8						18.7						27.1						21.9
Total share-based compensation expense			$	14.9					$	25.2					$	33.5					$	27.1

Schedule of Unrecognized Share-Based Compensation Cost

The Company has unrecognized share-based compensation cost related to share-based compensation granted under its current plans.  The estimated unrecognized share-based compensation cost and related weighted average recognition period, aggregate intrinsic value of options outstanding, aggregate intrinsic value of options that are fully vested and aggregate intrinsic value of RSUs vested and expected to vest is as follows:

(in millions)			As of December 31, 2020
Unrecognized share-based compensation cost			$	54.3
Aggregate intrinsic value of options outstanding			5.0
Aggregate intrinsic value of options fully vested			0.7
Aggregate intrinsic value of RSUs outstanding			63.1

Schedule of Intrinsic Value of Options Exercised

The total intrinsic value of options exercised was as follows:

			Transition Period Ended December 31,						Years Ended June 30,
(in millions)			2020						2020						2019						2018
Total intrinsic value of options exercised			$	0.5					$	8.8					$	0.4					$	17.0

Schedule of Shares Purchased and Compensation Expenses for ESPP

Shares purchased under and compensation expense associated with the 2012 Plan for the years reported are as follows:

			Transition Period Ended December 31,						Years Ended June 30,
(in millions)			2020						2020						2019						2018
Shares purchased under the plans			0.1						0.3						0.2						0.1
Plan compensation expense			$	0.6					$	1.7					$	1.0					$	0.1

Schedule of Valuation Assumptions for ESPP

The fair value of shares issued under the Plan that was in effect for each period reported was calculated using the Black‑Scholes option-pricing model using the following weighted-average assumptions:

			Transition Period Ended December 31,						Years Ended June 30,
			2020						2020						2019						2018
Risk-free interest rate			0.2%						1.8%						2.1%						2.1%
Expected dividend yield			—%						—%						—%						—%
Expected life (in years)			0.5						0.5						0.5						0.5
Expected volatility			94%						99%						55%						45%

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