Number of options available in the money.

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Revenue multiple.

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Share based compensation arrangement by share based payment award equity instruments other than options expected to vested if revenue multiplier is applied.

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No definition available.

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Share holder return calculation period.

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Shareholder return percentage of multiplier range.

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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
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-Publisher SEC
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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.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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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

Market valuation of entity divided by revenue, used as an input to measure fair value.

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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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The weighted average fair value at grant date for nonvested equity-based awards issued 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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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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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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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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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Stock Based Compensation - Additional Information (Detail) $ / shares in Units, $ in Thousands		12 Months Ended
	Mar. 03, 2015 shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 USD ($) $ / shares shares	Dec. 31, 2013 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value per option granted \| $ / shares		$ 56.76	$ 30.93	$ 30.77
Total intrinsic value of options exercised		$ 146,600	$ 130,100	$ 119,200
Options in-the-money \| shares		9,700,000
Recognized compensation costs		$ 111,525	86,410	64,376
Revenue Multiple	1.11
Stock-based compensation capitalized to inventory		11,100	8,200	6,100
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation costs		41,500	41,100	37,000
Unrecognized compensation cost related to unvested awards		$ 74,200
Unrecognized compensation cost expected to recognized over weighted average period, in years		2 years 3 months 18 days
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation costs		$ 7,100	4,800	3,600
Unrecognized compensation cost related to unvested awards		$ 9,800
Unrecognized compensation cost expected to recognized over weighted average period, in years		1 year 3 months 18 days
Restricted Stock With Service Based Vesting Conditions
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation costs		$ 47,900	$ 21,300	$ 13,000
Unrecognized compensation cost related to unvested awards		$ 143,200
Unrecognized compensation cost expected to recognized over weighted average period, in years		2 years 9 months 18 days
Weighted-average grant date fair value per share of restricted stock units, Grants in period \| $ / shares		$ 119.86	$ 64.37	$ 66.81
The total fair value of restricted stock vested and released		$ 59,500	$ 22,900	$ 19,700
Granted restricted stock units \| shares		2,147,209	1,540,703
Restricted Stock With Performance and Market Based Vesting Conditions
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation costs		$ 5,800	$ 12,900	$ 6,500
Unrecognized compensation cost related to unvested awards		$ 300
Unrecognized compensation cost expected to recognized over weighted average period, in years		2 months 12 days
Granted restricted stock units \| shares		860,000	860,000
Total shareholder return, percentage of multiplier range		124.00%
TSR calculation period, days		20 days
Restricted Stock With Performance and Market Based Vesting Conditions \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shareholder return, percentage of multiplier range		75.00%
Restricted Stock With Performance and Market Based Vesting Conditions \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shareholder return, percentage of multiplier range		125.00%
Restricted Stock Unit Awards with Performance Conditions
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation costs		$ 1,800
Unrecognized compensation cost related to unvested awards		$ 5,000
Unrecognized compensation cost expected to recognized over weighted average period, in years		2 years 2 months 12 days
Weighted-average grant date fair value per share of restricted stock units, Grants in period \| $ / shares		$ 108.36
Granted restricted stock units \| shares	58,300
Award vesting service period	3 years
Number of units that could vest if performance condition is achieved and a revenue multiplier is applied \| shares	64,713
Restricted Stock Unit Awards with Performance Conditions \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Revenue multiplier	0.80
Restricted Stock Unit Awards with Performance Conditions \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Revenue multiplier	1.20