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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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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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- Definition

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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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.

+ References

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ References

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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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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- Definition

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-SubTopic 10

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- Definition

The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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- Definition

As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

+ References

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- Definition

Number of share instruments newly issued under a share-based compensation plan.

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Share-Based Compensation - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended					9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Cost Of Molecular Diagnostic Testing	Mar. 31, 2013 Cost Of Molecular Diagnostic Testing	Mar. 31, 2014 Cost Of Molecular Diagnostic Testing	Mar. 31, 2013 Cost Of Molecular Diagnostic Testing	Mar. 31, 2014 Research And Development Expense	Mar. 31, 2013 Research And Development Expense	Mar. 31, 2014 Research And Development Expense	Mar. 31, 2013 Research And Development Expense	Mar. 31, 2014 Selling, General, and Administrative Expenses	Mar. 31, 2013 Selling, General, and Administrative Expenses	Mar. 31, 2014 Selling, General, and Administrative Expenses	Mar. 31, 2013 Selling, General, and Administrative Expenses	Mar. 31, 2014 Crescendo Cost Of Molecular Diagnostic Testing	Mar. 31, 2014 Crescendo Cost Of Molecular Diagnostic Testing	Mar. 31, 2014 Crescendo Research And Development Expense	Mar. 31, 2014 Crescendo Research And Development Expense	Mar. 31, 2014 Crescendo Selling, General, and Administrative Expenses	Mar. 31, 2014 Crescendo Selling, General, and Administrative Expenses	Mar. 31, 2014 Options granted after December 5, 2012	Mar. 31, 2014 Options granted prior to December 5, 2012	Mar. 31, 2014 The 2010 Plan	Dec. 05, 2013 The 2010 Plan	Mar. 31, 2014 The 2010 Plan Maximum	Mar. 31, 2014 2012 Purchase Plan	Mar. 31, 2013 2012 Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares approved																										3,500,000			2,000,000
Shares reserved for issuance exercise of options																									3,757,761			1,856,000
Number of shares cancelled or expired without issuance			383,173																						257,761
Shares available for future grant																											5,509,201
Service period of option vested, years			4 years
Options expire from date of grant, years																							8 years	10 years
Shares issued under the Plan																												144,000
Options to purchase shares vested and exercisable, shares	7,823,794		7,823,794
Exercisable weighted average price of options	$ 21.86		$ 21.86
Total unrecognized share-based compensation cost related to share-based awards granted	$ 46,500,000		$ 46,500,000
Total unrecognized share-based compensation cost, weighted-average period, years			2 years 5 months 27 days
Total share-based compensation expense	$ 13,640,000	$ 6,731,000	$ 27,432,000	$ 20,435,000	$ 207,000	$ 252,000	$ 639,000	$ 811,000	$ 3,042,000	$ 818,000	$ 4,670,000	$ 2,496,000	$ 10,316,000	$ 5,607,000	$ 21,911,000	$ 16,969,000	$ 200,000	$ 200,000	$ 2,000,000	$ 2,000,000	$ 4,700,000	$ 4,700,000