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Equity-Based Compensation (Schedule Of Remaining Unrecognized Compensation Expense For Unvested Awards) (Details) (USD $)
In Thousands, unless otherwise specified |
Jan. 03, 2015
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| Equity-Based Compensation [Abstract] | |
| 2015 | $ 7,075usna_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostNotYetRecognizedNextTwelveMonths |
| 2016 | 5,841usna_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostNotYetRecognizedYearTwo |
| 2017 | 3,634usna_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostNotYetRecognizedYearThree |
| 2018 | 938usna_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostNotYetRecognizedYearFour |
| 2019 | 379usna_EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostNotYetRecognizedYearFive |
| Total | $ 17,867us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized |
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- Details
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- Definition
Unrecognized cost of unvested share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not Yet Recognized, Next Twelve Months No definition available.
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- Definition
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not Yet Recognized, Year Five No definition available.
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- Definition
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not Yet Recognized, Year Four No definition available.
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- Definition
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not Yet Recognized, Year Three No definition available.
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- Definition
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not Yet Recognized, Year Two No definition available.
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