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Income Taxes (Tables)

12 Months Ended

Jun. 30, 2019

Income Tax Disclosure [Abstract]

Schedule of Income Tax Expense (Benefit)

Income tax expense (benefit) consists of the following:

		Year ended June 30,
		2019				2018				2017
Current:
Federal		$	(24.2	)		$	7.7			$	15.5
State			(0.1	)			2.2				2.4
Foreign			0.2				—				—
Total Current			(24.1	)			9.9				17.9
Deferred:
Federal			17.8				(22.7	)			1.5
State			1.7				0.7				(1.7	)
Foreign			0.4				(1.4	)			(1.7	)
Change in valuation allowance			(0.2	)			0.5				3.0
Total Deferred			19.7				(22.9	)			1.1
Total income tax expense (benefit)		$	(4.4	)		$	(13.0	)		$	19.0

Schedule of Income (Loss) Before Income Taxes

Income (loss) before income taxes consists of the following:

		Year ended June 30,
		2019				2018				2017
United States		$	(0.6	)		$	122.3			$	39.2
Foreign			0.6				(2.2	)			(3.0	)
Total		$	—			$	120.1			$	36.2

Schedule of Differences Between Statutory Federal Income Tax Rate and Income Taxes Reported in Consolidated Statements of Operations

The differences between income taxes at the statutory federal income tax rate and income taxes reported in the consolidated statements of operations were as follows:

		Year ended June 30,
		2019							2018							2017
Federal income tax expense at the statutory    rate			0.0			21.0	%			33.7			28.1	%			12.7			35.0	%
State income taxes, net of federal benefit			2.0			6422.1	%			2.9			2.4	%			0.7			1.9	%
Research and development credits, net of    the federal tax on state credits			(3.7	)		-11880.9	%			(2.1	)		-1.7	%			(3.1	)		-8.5	%
Uncertain tax positions, net of federal benefit			2.9			9312.1	%			2.5			2.1	%			1.2			3.3	%
Uncertain tax benefits statute expired, net    of federal benefit			(7.1	)		-22798.5	%			—			0.0	%			—			0.0	%
Incentive stock option and employee stock    purchase plan expense			(3.1	)		-9954.3	%			(1.7	)		-1.4	%			4.0			10.9	%
Foreign rate differential			0.8			2568.8	%			(0.8	)		-0.7	%			(0.5	)		-1.5	%
Change in valuation allowance			(0.2	)		-642.2	%			0.6			0.5	%			3.0			8.3	%
Tax Cut and Jobs Act Impact			—			0.0	%			(32.0	)		-26.6	%			—			0.0	%
Fair value adjustments related to acquisition    contingent consideration			0.8			2568.8	%			(17.0	)		-14.2	%			0.8			2.1	%
Non-deductible meals and entertainment			1.3			4174.4	%			0.4			0.3	%			0.6			1.6	%
Non-deductible officer compensation			0.6			1926.6	%			—			0.0	%			—			0.0	%
Non-deductible legal settlement			1.9			6101.0	%			—			0.0	%			—			0.0	%
Foreign disregarded election			6.4			20550.8	%			—			0.0	%			—			0.0	%
Changes in revenue recognition/method			(7.3	)		-23440.8	%			—			0.0	%			—			0.0	%
Other, net			0.3			963.4	%			0.5			0.5	%			(0.4	)		-0.7	%
			(4.4	)		-14107.7	%			(13.0	)		-10.7	%			19.0			52.4	%

Schedule of Components of Deferred Tax Assets and Liabilities

The significant components of the Company’s deferred tax assets and liabilities were comprised of the following:

		Year ended June 30,
		2019				2018
Deferred tax assets:
Net operating  loss carryforwards		$	85.7			$	44.6
Property, plant and equipment			—				1.1
Accrued vacation			1.2				1.4
AR allowance			3.3				10.7
Stock compensation expense			16.0				17.0
Research and development credits			25.4				13.0
Uncertain state tax positions			1.3				1.3
Other, net			9.0				0.9
Total gross deferred tax assets			141.9				90.0
Less valuation allowance			(38.9	)			(37.8	)
Total deferred tax assets			103.0				52.2
Deferred tax liabilities:
Intangible assets			175.4				109.5
Property, plant and equipment			2.5				—
Deferred revenue			7.7				—
Total deferred tax liabilities			185.6				109.5
Net deferred tax liability			(82.6	)			(57.3	)

Summary of Net Operating Loss and Research Credit Carryforwards

At June 30, 2019, the Company had the following net operating loss and research credit carryforwards, with their respective expiration periods. Certain carryforwards are subject to the limitations of Section 382 and 383 of the Internal Revenue Code as indicated.

						Subject to		Expires
Carryforwards		Amount				sections 382, 383		beginning in year				Through
Federal net operating loss		$	274.6			Yes			2027				2038
Utah net operating loss			209.5			No			2016				2024
California net operating loss			47.0			No			2023				2038
Oklahoma net operating loss			14.1			Yes			2023				2033
Other state net operating loss			7.1			Yes			2023				2039
Foreign net operating losses (various jurisdictions)			33.4			No		Various				Various
Federal research credit			9.3			Yes			2025				2032
Utah research credit			11.0			No			2021				2031
California research credit			5.3			No			2023				2039

Schedule of Reconciliation of Beginning and Ending Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:   

		Year ended June 30,
		2019				2018				2017
Unrecognized tax benefits at the beginning of year		$	24.9			$	25.2			$	24.2
Gross increases - current year tax positions			2.2				0.6				0.7
Gross increases - prior year tax positions			0.5				2.4				0.7
Gross increases - acquisitions			2.3				—				—
Gross decreases - prior year tax positions			(0.1	)			(3.3	)			—
Gross decreases - settlements			(2.7	)			—				—
Gross decreases - statute lapse			(5.4	)			—				(0.4	)
Unrecognized tax benefits at end of year		$	21.7			$	24.9			$	25.2
Interest and penalties in year-end balance		$	0.8			$	1.5			$	(0.9	)

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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