USANA Health Sciences, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Property And Equipment (Details)

Property And Equipment (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 113,832us-gaap_PropertyPlantAndEquipmentGross	$ 111,903us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation and amortization	64,372	62,724
Property and equipment, net	49,460	49,179
Property and equipment, net	71,164us-gaap_PropertyPlantAndEquipmentNet	59,180us-gaap_PropertyPlantAndEquipmentNet
Depreciation	8,414us-gaap_Depreciation	8,152us-gaap_Depreciation	7,717us-gaap_Depreciation
Buildings [Member]
Property, Plant and Equipment [Line Items]
Useful life	39 years 6 months
Property and equipment, gross	38,920	39,500
Laboratory and Production Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	24,864	23,383
Sound and Video Library [Member]
Property, Plant and Equipment [Line Items]
Useful life	5 years
Property and equipment, gross	600	600
Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	30,842	32,960
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,354	5,346
Automobiles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	327	330
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	10,857	7,699
Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Useful life	15 years
Property and equipment, gross	2,068	2,085
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, net	6,843	7,315
Deposits And Projects In Process [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 14,861	$ 2,686
Minimum [Member] \| Laboratory and Production Equipment [Member]
Property, Plant and Equipment [Line Items]
Useful life	5 years
Minimum [Member] \| Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Useful life	3 years
Minimum [Member] \| Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Useful life	3 years
Minimum [Member] \| Automobiles [Member]
Property, Plant and Equipment [Line Items]
Useful life	3 years
Minimum [Member] \| Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Useful life	3 years
Maximum [Member] \| Laboratory and Production Equipment [Member]
Property, Plant and Equipment [Line Items]
Useful life	7 years
Maximum [Member] \| Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Useful life	5 years
Maximum [Member] \| Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Useful life	5 years
Maximum [Member] \| Automobiles [Member]
Property, Plant and Equipment [Line Items]
Useful life	5 years
Maximum [Member] \| Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Useful life	5 years