Annual report pursuant to Section 13 and 15(d)

Summary Of Significant Accounting Policies (Narrative) (Details)

v2.4.0.8
Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)
 12 Months Ended
Dec. 28, 2013
item
Dec. 29, 2012
Dec. 31, 2011
Summary Of Significant Accounting Policies [Line Items]      
Geographical regions 2    
Sub-geographical regions 3    
Fair Value, Assets And Liabilities, Level 1 Between Level 2 Transfers, Amount $ 0 $ 0  
Non-financial assets 0 0 0
Receivable from credit card processors 5,490,000 6,081,000  
Restricted cash 3,296,000 3,208,000  
Other-than-temporary impairments 0    
Accumulated undistributed earnings of subsidiaries 10,200,000    
Extended credit 7,000,000    
Maturity date Dec. 01, 2022    
Notes receivable 4,942,000    
Impairment of goodwill 0 0 0
Impairment of indefinite-lived intangible assets 0 0 0
Amount of individual claims before reimbursement 125,000    
Minimum percentage of projected aggregate claims before insurance reimbursement 100.00%    
Self insurance program expense 5,281,000 4,518,000 4,274,000
Proceeds from Stock Options Exercised 454,000 309,000 39,000
Tax impact of cancelled vested equity awards 7,075,000 1,827,000 (1,255,000)
Amount available to repurchase under the stock repurchase plan 13,622,000    
Repurchase of common stock 18,085,000 68,294,000 33,459,000
Account renewal fee period 12 months    
Duration of product return for first order 30 days    
Duration of product return 1 year    
Percentage of sale refunded 100.00%    
Restocking fee 10.00%    
Amount of returned product which could result in cancellation of distributorship 100    
Product return percentage of net sales 0.90% 0.80% 1.10%
Advertising expense 3,650,000 3,942,000 3,893,000
Research and development expense $ 5,083,000 $ 4,664,000 $ 4,071,000
LIBOR [Member]
      
Summary Of Significant Accounting Policies [Line Items]      
Basis Points 400.00%