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NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Details 6)
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12 Months Ended |
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Dec. 31, 2014
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| Time-based stock options | Maximum | |
| Share Based Compensation | |
| Vesting period | 48 months |
| Performance based stock options operating income margins | |
| Share Based Compensation | |
| Operating income margin, one (as a percent) |
6.00%natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsOne / us-gaap_AwardTypeAxis = natr_PerformanceBasedStockOptionsVestingUponAchievingOperatingIncomeMarginsMember |
| Operating income margin, two (as a percent) |
8.00%natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsTwo / us-gaap_AwardTypeAxis = natr_PerformanceBasedStockOptionsVestingUponAchievingOperatingIncomeMarginsMember |
| Operating income margin, three (as a percent) |
10.00%natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsThree / us-gaap_AwardTypeAxis = natr_PerformanceBasedStockOptionsVestingUponAchievingOperatingIncomeMarginsMember |
| Period of time during which operating income margins must be achieved in order to vest in performance based stock options | 12 months |
| Consecutive period of time used to assess operating income margins which determine vesting | 15 months |
| Performance based stock options sales and operating income margins | |
| Share Based Compensation | |
| Vesting period | 2 years |
| Operating income margin, two (as a percent) |
8.00%natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsTwo / us-gaap_AwardTypeAxis = natr_PerformanceBasedStockOptionsVestingUponAchievingSalesAndOperatingIncomeMarginsMember |
| Performance based stock options sales | |
| Share Based Compensation | |
| Vesting period based on achieving annual net sales targets | 1 year |
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- Definition
Represents the period of time during which operating income margins must be achieved in order to vest in performance based stock options. No definition available.
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- Definition
Represents the consecutive period of time used to assess operating income margins which determine vesting. 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 a performance condition pertaining to achievement of annual net sales targets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition
Represents the first operating margin percentage to be achieved for the vesting of stock options. No definition available.
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- Definition
Represents the three operating margin percentage to be achieved for the vesting of stock options. No definition available.
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- Definition
Represents the second operating margin percentage to be achieved for the vesting of stock options. 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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