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Intangible and Other Assets (Schedule of Intangible and Other Assets) (Details) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jul. 02, 2011
Jan. 01, 2011
Intangible and other assets - net $ 62,456 $ 55,737
Total Intangibles and Other Assets, Net [Member]
    
Intangible and other assets - net 62,456 55,737
Other Assets [Member]
    
Total other assets, Carrying Amount 9,549 6,615
Total other assets, Accumulated Amortization 3,313 2,633
Tradenames [Member]
    
Total intangibles - not subject to amortization, Carrying Amount 18,983 18,938
Total intangibles - not subject to amortization, Accumulated Amortization 0 0
Key Money Deposits [Member]
    
Total other assets, Carrying Amount 27,164 22,973
Total other assets, Accumulated Amortization 9,701 7,720
Other Deposits [Member]
    
Total other assets, Carrying Amount 13,207 11,991
Total other assets, Accumulated Amortization 0 0
Deferred Compensation Plan Assets [Member]
    
Total other assets, Carrying Amount 3,414 3,295
Total other assets, Accumulated Amortization 0 0
Total Other Assets [Member]
    
Total other assets, Carrying Amount 53,334 44,874
Total other assets, Accumulated Amortization 13,014 10,353
Total Intangibles and Other Assets [Member]
    
Total intangibles and other assets, Carrying Amount 85,465 75,384
Total intangibles and other assets, Accumulated Amortization 23,009 19,647
Trademarks [Member]
    
Useful Lives 10  
Total intangibles - subject to amortization, Carrying Amount 4,067 2,666
Total intangibles - subject to amortization, Accumulated Amortization 1,950 1,795
Customer List [Member]
    
Useful Lives 9  
Total intangibles - subject to amortization, Carrying Amount 8,104 7,937
Total intangibles - subject to amortization, Accumulated Amortization 7,470 6,963
Patents [Member]
    
Useful Lives, Minimum 14  
Useful Lives, Maximum 20  
Total intangibles - subject to amortization, Carrying Amount 773 775
Total intangibles - subject to amortization, Accumulated Amortization 372 349
Other Intangibles [Member]
    
Useful Lives, Minimum 7  
Useful Lives, Maximum 20  
Total intangibles - subject to amortization, Carrying Amount 204 194
Total intangibles - subject to amortization, Accumulated Amortization 203 187
Total Intangibles - Subject to Amortization [Member]
    
Total intangibles - subject to amortization, Carrying Amount 13,148 11,572
Total intangibles - subject to amortization, Accumulated Amortization $ 9,995 $ 9,294