Employee service share based compensation recognized period costs capitalized amount.

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- Definition

Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Period for Recognition

+ References

No definition available.

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- Definition

Estimated forfeiture rate for unvested options for all non-senior management.

+ References

No definition available.

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- Definition

Estimated forfeiture rate for unvested options for senior management.

+ References

No definition available.

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- Definition

Expiration period of stock option plan.

+ References

No definition available.

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- Definition

Increase (decrease) in compensation expense due to revised estimated forfeiture rates.

+ References

No definition available.

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- Definition

Number of groups within employee population.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award options vested fair value.

+ References

No definition available.

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- Definition

Shares based compensation arrangement by shares based payment award options exercisable intrinsic value.

+ References

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

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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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.

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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

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.

+ References

No definition available.

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- Definition

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

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 Expense (Detail)	3 Months Ended				6 Months Ended
Stock-Based Compensation Expense (Detail)	Jun. 30, 2019 USD ($) group $ / shares shares	Jul. 01, 2018 USD ($) $ / shares	Apr. 01, 2018 USD ($)	Apr. 02, 2017 USD ($)	Jun. 30, 2019 USD ($) group $ / shares shares	Jul. 01, 2018 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Groups within the employee population \| group	2				2
Estimated annual forfeiture rate for unvested options for senior management	9.00%				9.00%
Estimated annual forfeiture rate for unvested options for all other employees	12.00%				12.00%
Increase (decrease) to compensation expense			$ 499,000	$ 1,283,000
Weighted-average grant-date fair values, in dollars per share \| $ / shares	$ 18.68	$ 21.63			$ 18.59	$ 21.62
Total intrinsic value	$ 14,220,000	$ 4,902,000			$ 36,799,000	$ 32,991,000
Total fair values of stock options vest	887,000	887,000			30,859,000	26,560,000
Unrecognized compensation expense	66,645,000				$ 66,645,000
Weighted average period to be recognized					1 year 10 months 17 days
Stock-based compensation expense	10,967,000	9,002,000			$ 23,248,000	22,196,000
Tax benefit from compensation expense	1,813,000	$ 1,607,000			4,035,000	$ 3,954,000
Recognized period costs capitalized	$ 0				$ 0
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant under stock option plans \| shares	17,363,952				17,363,952
Expiration period from grant day					10 years
Minimum \| General Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for stock option plans					4 years
Maximum \| General Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for stock option plans					5 years