Income Taxes - Reconciliation Between Statutory Federal Income Tax Rate and Effective Income Tax Rate from Continuing Operations (Detail)	12 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income taxes at federal statutory rates	35.00%	35.00%	35.00%
State income tax, net of federal tax benefit	4.90%	5.00%	4.90%
Research and development credits	(6.10%)	(8.40%)	(4.80%)
Excess tax benefits on stock compensation	(13.10%)	(4.40%)	(0.00%)
Domestic manufacturing deduction	(3.90%)	(3.50%)	(3.20%)
Income from legal settlement excluded from taxable income	0.00%	(2.80%)	0.00%
Deemed repatriation of foreign earnings	(0.10%)	(0.20%)	(0.40%)
Foreign tax credits	(0.20%)	(0.00%)	(0.00%)
Equity compensation	0.60%	0.30%	(0.10%)
Officers' Compensation	1.20%	2.30%	2.80%
Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent	0.00%	0.00%	(4.20%)
Change in the fair value of the liability related to the LNX earn-out	(0.60%)	(3.20%)	(5.00%)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	0.00%	0.00%	(3.10%)
Acquisition costs	0.90%	0.00%	0.00%
Other	0.90%	1.80%	1.30%
Effective income tax rate from continuing operation	19.90%	21.90%	23.20%

Effective Income Tax Rate Reconciliation Acquisition Costs

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to the amount of any change, including any differences arising upon settlement, recognized during the reporting period in the value of a liability, arising from an item of contingent consideration, assumed in a business combination.

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Effective Income Tax Rate Reconciliation, Excess Tax Benefits On Stock Compensation, Percent

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Effective Income Tax Rate Reconciliation, Officer Compensation

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates.

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Percentage of the difference, between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, that is attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority interest income (expense), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, change in enacted tax rate, prior year income taxes, change in deferred tax asset valuation allowance, and other adjustments.

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