Percentage increase in shares of outstanding shares.

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- Definition

Share Based Award Vesting Monthly.

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- Definition

Share Based Award Vesting Quarterly.

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- Definition

Share based compensation arrangement by share based payment award initial number of shares authorized.

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No definition available.

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- Definition

Share based compensation arrangement by share based payment award period from date of grant.

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No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 3: 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)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14
-Section F

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- Definition

Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

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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

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

No definition available.

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

No definition available.

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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

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- Definition

Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.

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- Definition

Additional share-based compensation cost recognized as a result of an occurrence of an event that accelerates its recognition.

+ References

No definition available.

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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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- Definition

General descriptive information regarding an arrangement under which employees and directors receive: (a) awards of equity shares, equity share options, or other equity instruments; or (b) the entity incurs liabilities to them: (1) in amounts based, at least in part, on the price of the entity's shares or other equity instruments; or (2) that require or may require settlement by issuance of the entity's shares. Such an arrangement is usually provided to employees and directors to compensate them, provide performance incentives to them, and to attract or retain their services. May also include pertinent information particular to a plan that is not elsewhere specified in the taxonomy.

+ 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)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

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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

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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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- 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

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

Percentage of vesting of share-based compensation awards.

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- Definition

Number of non-vested options outstanding.

+ References

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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Stock-based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Feb. 28, 2014	Apr. 30, 2008	Aug. 31, 2006
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Tax benefit from compensation expense	$ 20,700	$ 3,800	$ 2,700
Cash received from exercise of stock options	30,100	24,100	27,800
Income tax benefits related to the exercise of stock options	44,200	18,800	31,800
Intrinsic value of options exercised	120,900	56,100	87,800
Stock-based compensation expense	44,079	11,483	8,386
Advent [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	26,300
One-time charges for accelerated vesting awards	11,500
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 10,609	0	0
Restricted Stock Units (RSUs) [Member] \| Advent [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested stock options	700,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 239	$ 222	$ 233
Time-Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based incentive plan, description	Time-based options granted under the 2006 Plan, the 2008 Plan or the 2014 Plan generally vest 25% on the first anniversary of the grant date and 1/36th of the remaining balance each month thereafter for 36 months. All outstanding time-based options vest upon a change in control, subject to certain conditions.
Option vesting period	36 months
Employee service share-based compensation period for recognition of expense	3 years
Remaining Unvested balance percentage of equity based incentive plan vesting portion for quarter	0.0208%
Time based options granted weighted average granted fair value	$ 14.57	$ 12.77	$ 9.86
Share-based payment award, options, vested in period, fair value	$ 43,500	$ 11,300	$ 8,200
Stock based compensation related to time based options	$ 109,600
Time-Based Awards [Member] \| Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity based incentive plan percentage of first anniversary	25.00%
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 33,231	$ 11,261	$ 8,153
Stock Appreciation Rights (SARs) [Member] \| Advent [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested stock options	2,500,000
2014 Plan [Member] \| Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized under equity-based incentive plan				3,000,000
Equity based incentive plan expiry period from date of grant	10 years
2008 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Initial authorized shares					1,416,661
2008 Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares, granted	10,395
Remaining Unvested balance percentage of equity based incentive plan vesting portion for quarter	0.0625%
Stock based Compensation not yet Recognized	$ 17,800
Employee service share-based compensation period for recognition of expense	3 years 6 months
2008 Plan [Member] \| Restricted Stock Units (RSUs) [Member] \| Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity based incentive plan percentage of first anniversary	25.00%
2008 Plan [Member] \| Maximum [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option vesting period	3 years
2008 Plan [Member] \| Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized under equity-based incentive plan					10,914,967
Equity based incentive plan expiry period from date of grant	10 years
Equity-based incentive plan, description	Company’s common stock and an annual increase to be added on the first day of each of the Company’s fiscal years during the term of the 2008 Plan beginning in fiscal 2009 equal to the lesser of (i) 1,416,661 shares of common stock, (ii) 2% of the outstanding shares on such date or (iii) an amount determined by the Company’s board of directors. Under the 2008 Plan, which became effective in July 2008, the exercise price of awards is set on the grant date and may not be less than the fair market value per share on such date. Generally, awards expire ten years from the date of grant. The Company has granted time-based options and RSUs under the 2008 Plan.
Percentage increase in share of outstanding share	2.00%
2006 Plan [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares, granted	1,500	0	25,000
Remaining Unvested balance percentage of equity based incentive plan vesting portion for quarter	0.0625%		0.0625%
Stock based Compensation not yet Recognized	$ 400	$ 600
Employee service share-based compensation period for recognition of expense	22 months	32 months
2006 Plan [Member] \| Restricted Stock [Member] \| Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity based incentive plan percentage of first anniversary	25.00%		25.00%
2006 Plan [Member] \| Maximum [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option vesting period	3 years		3 years
2006 Plan [Member] \| Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized under equity-based incentive plan						11,173,819
Equity based incentive plan expiry period from date of grant	10 years
Equity-based incentive plan, description	Under the 2006 Plan, the exercise price of awards is set on the grant date and may not be less than the fair market value per share on such date.