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Equity-Based Compensation (Narrative) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | ||
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Apr. 04, 2015
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Mar. 29, 2014
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Jan. 03, 2015
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| Equity-Based Compensation [Abstract] | |||
| Equity-based compensation expense | $ 2,210us-gaap_AllocatedShareBasedCompensationExpense | $ 1,836us-gaap_AllocatedShareBasedCompensationExpense | |
| Equity-based compensation related tax benefit | 740us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense | 617us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense | |
| Weighted-average grant date fair value | $ 30.49us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue | $ 17.73us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue | |
| Total intrinsic value of stock options and stock-settled stock appreciation rights exercised | 3,345us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue | 6,800us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue | |
| Total fair value of equity awards vested | $ 811us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue | $ 496us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue | |
| Closing Price Of Common Stock | $ 114.19usna_ClosingPriceOfCommonStock | $ 102.28usna_ClosingPriceOfCommonStock | |
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Closing Price Of Common Stock No definition available.
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