Common Stock Shares Outstanding Reserved For Issuance Increase Percentage

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Milestone Achievement Payment Due

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Number Of Milestones Achieved

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Percentage of performance based grants that were achieved.

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Performance based share based compensation expense.

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Share Based Compensation Arrangement By Share Based Payment Award Award Cliff Vesting Period

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Share Based Compensation Arrangement By Share Based Payment Award Estimated Forfeiture Rate

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No definition available.

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- Definition

The number of share options granted during the period for which vesting is contingent upon company corporate goals.

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No definition available.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Aggregate number of common shares reserved for future issuance.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Percentage of vesting of share-based compensation awards.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Number of non-vested options outstanding.

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No definition available.

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Stock-Based Compensation - Additional Information (Detail)		3 Months Ended			6 Months Ended		12 Months Ended
	Jan. 01, 2016 shares	Jun. 30, 2016 USD ($) shares	Sep. 30, 2015 Milestone	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) $ / shares shares	Jun. 30, 2015 USD ($) $ / shares shares	Dec. 31, 2015	Jul. 02, 2014 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation granted under plan vest period					4 years
Share based compensation, vest period					1 year
Share based compensation, term of plan					10 years
Milestone expense \| $		$ 0			$ 0
Weighted average grant date fair value per share \| $ / shares					$ 22.23	$ 41.68
Share option, forfeiture rate					9.60%	10.00%
Stock-based compensation expense \| $		4,465,000		$ 5,398,000	$ 8,179,000	$ 6,747,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized stock-based compensation expense \| $		4,000			$ 4,000
Weighted average period of unrecognized compensation costs					1 month 10 days
Stock-based compensation expense \| $		15,000		100,000	$ 31,000	$ 200,000
Issued, Shares-Restricted stock					0	0
Stock repurchased, shares					0	0
Options to Purchase Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option grant					969,785
Total unrecognized stock-based compensation expense \| $		39,600,000			$ 39,600,000
Weighted average period of unrecognized compensation costs					2 years 10 months 24 days
Total fair value of shares vested \| $					$ 9,700,000	$ 1,700,000
Intrinsic value of options exercised \| $					2,300,000	$ 19,900,000
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized stock-based compensation expense \| $		$ 9,100,000			$ 9,100,000
Number of shares outstanding unvested stock options		433,015			433,015
Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation, vesting percentage					25.00%
2014 Stock Option Plan and 2011 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares reserved under equity plan		4,959,683			4,959,683
Common stock available for issuance under 2014 Stock Option Plan		1,081,131			1,081,131
2011 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option grant					0
2014 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock available for issuance under 2014 Stock Option Plan	1,154,653
Percentage of increase on issued and outstanding shares of Common stock	4.00%
Percentage of performance based option grants that were achieved							35.00%
Milestones achieved \| Milestone			1
2014 Stock Option Plan [Member] \| Performance Milestone [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options with performance-based criteria					74,039	497,100
Stock-based compensation expense \| $				$ 3,400,000		$ 3,400,000
2014 Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock initially authorized for issuance under this plan								282,000
Number of shares issued under the plan					7,159