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

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

The amount of expense, net of income tax, 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.

+ References

No definition available.

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(ii)

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

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- Definition

Discount rate from fair value on purchase date that participants pay for shares.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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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).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

+ References

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- Definition

The highest quantity of shares an employee can purchase under the plan per period.

+ References

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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).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

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- Definition

Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30, 31

-Article 5

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- Definition

Represents the maximum contractual term of options granted under the equity incentive plan which are nontransferable.

+ References

No definition available.

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- Definition

Represents the term of each offering period under the employee stock repurchase plan.

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No definition available.

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Stockholders' Equity (Details 3) (USD $)	3 Months Ended	12 Months Ended
Stockholders' Equity (Details 3) (USD $)	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based compensation expense related to outstanding awards
Share-based compensation expense (benefit), net of taxes	$ 111,200,000
Common stock issued in connection with ESPP, Amount		2,735,000
Share-based compensation expense		320,786,000	30,115,000	(15,715,000)
Stock Options
Share-based compensation expense related to outstanding awards
Share-based compensation expense before taxes		36,097,000	3,024,000	511,000
Related income tax benefit		(13,566,000)	(1,115,000)	(189,000)
Share-based compensation expense (benefit), net of taxes		22,531,000	1,909,000	322,000
Share-based compensation capitalized as part of inventory				15,000
Term of employee stock purchase plan		10 years
Maximum number of shares authorized to be issued	29,900,000	29,900,000
Employee Stock Purchase Plan (ESPP)
Share-based compensation expense related to outstanding awards
Offering period		6 months
Common stock issued in connection with ESPP (in shares)		55,070
Common stock issued in connection with ESPP, Amount		2,700,000
Maximum percentage of compensation employees may contribute for ESPP	15.00%	15.00%
Percentage of the lower of the fair market value of common stock on the first or last trading-day of a given offering period		85.00%
Maximum number of shares each eligible employees may purchase in any given offering period		4,000
Term of employee stock purchase plan		20 years
Maximum number of shares authorized to be issued	3,000,000	3,000,000
Share-based compensation expense		802,800	240,100	0
Research and development \| Stock Options
Share-based compensation expense related to outstanding awards
Share-based compensation expense before taxes				196,000
Selling, general and administrative \| Stock Options
Share-based compensation expense related to outstanding awards
Share-based compensation expense before taxes		$ 36,097,000	$ 3,024,000	$ 315,000