Number of equity based incentive compensation plans.

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Restricted stock shares issued during period.

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Share based compensation arrangement by share based payment award fair value assumptions expected volatility rate on historical trading description.

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Share based compensation arrangement by share based payment award fair value assumptions expected volatility rate on historical trading of selected public stock description.

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- Definition

Share based compensation excess tax benefits.

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- Definition

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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Aggregate number of common shares reserved for future issuance.

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-Publisher FASB
-Name Accounting Standards Codification
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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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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, 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

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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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

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

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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Equity-Based Compensation (Details Textual)	12 Months Ended
Equity-Based Compensation (Details Textual)	Dec. 31, 2015 USD ($) Plan $ / shares shares	Dec. 31, 2014 USD ($) $ / shares	Dec. 31, 2013 USD ($) $ / shares	Dec. 31, 2009 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity-based incentive compensation plans \| Plan	5
Expiration period	10 years
Vesting period	5 years			5 years
Excess tax benefits	$ 0	$ 0	$ 0
Unrecognized compensation cost	$ 90,800,000
Weighted-average expected period for recognition	3 years
Expected volatility for options based on historical volatility	8 years
Expected volatility for options based on a peer group	9 years
Common stock shares reserved for issuance \| shares	2,056,783
Intrinsic value of stock options exercised	$ 69,900,000	$ 14,600,000	$ 59,500,000
Weighted average grant date fair value of stock options granted (in USD per share) \| $ / shares	$ 5.00	$ 4.64	$ 4.00
Fair value of stock options vested	$ 13,300,000	$ 10,900,000	$ 5,900,000
Restricted common stock shares issued \| shares				30,000
Selling, General and Administrative Expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity based compensation expense	17,400,000	9,700,000	7,300,000
Research and Development Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity based compensation expense	7,900,000	5,000,000	3,600,000
Cost of Revenue
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity based compensation expense	800,000	100,000
2007 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period				7 years
Continuing Operations
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity based compensation expense	$ 26,100,000	$ 14,800,000	$ 11,000,000
Minimum \| 2007 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	7 years
Maximum \| 2007 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	10 years