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Intangible And Other Assets (Schedule Of Intangible And Other Assets) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Y
Dec. 31, 2011
Finite And Indefinite Lived Intangible And Other Assets [Line Items]    
Total intangibles-subject to amortization, Carrying Amount $ 12,945 $ 12,723
Total intangibles-subject to amortization, Accumulated Amortization 10,331 9,967
Total other assets, Carrying Amount 66,359 66,243
Total other assets, Accumulated Amortization 15,663 14,039
Total intangible and other assets, Carrying Amount 98,256 97,902
Total intangible and other assets, Accumulated Amortization 25,994 24,006
Total intangible and other assets-net 72,262 73,896
Trademarks [Member]
    
Finite And Indefinite Lived Intangible And Other Assets [Line Items]    
Useful Lives (years) 10  
Total intangibles-subject to amortization, Carrying Amount 4,129 4,121
Total intangibles-subject to amortization, Accumulated Amortization 2,187 2,109
Customer Lists [Member]
    
Finite And Indefinite Lived Intangible And Other Assets [Line Items]    
Useful Lives (years) 9  
Total intangibles-subject to amortization, Carrying Amount 7,847 7,636
Total intangibles-subject to amortization, Accumulated Amortization 7,544 7,274
Patents [Member]
    
Finite And Indefinite Lived Intangible And Other Assets [Line Items]    
Useful Lives, Minimum (years) 14  
Useful Lives, Maximum (years) 20  
Total intangibles-subject to amortization, Carrying Amount 773 773
Total intangibles-subject to amortization, Accumulated Amortization 406 394
Other Intangibles [Member]
    
Finite And Indefinite Lived Intangible And Other Assets [Line Items]    
Useful Lives, Minimum (years) 7  
Useful Lives, Maximum (years) 20  
Total intangibles-subject to amortization, Carrying Amount 196 193
Total intangibles-subject to amortization, Accumulated Amortization 194 190
Trade Names [Member]
    
Finite And Indefinite Lived Intangible And Other Assets [Line Items]    
Total intangibles-not subject to amortization, Carrying Amount 18,952 18,936
Key Money Deposits [Member]
    
Finite And Indefinite Lived Intangible And Other Assets [Line Items]    
Total other assets, Carrying Amount 32,727 31,804
Total other assets, Accumulated Amortization 11,454 10,291
Other Deposits [Member]
    
Finite And Indefinite Lived Intangible And Other Assets [Line Items]    
Total other assets, Carrying Amount 12,920 13,685
Deferred Compensation Plan Assets [Member]
    
Finite And Indefinite Lived Intangible And Other Assets [Line Items]    
Total other assets, Carrying Amount 3,069 2,897
Deferred Tax Asset - Net [Member]
    
Finite And Indefinite Lived Intangible And Other Assets [Line Items]    
Total other assets, Carrying Amount 4,942 4,875
Restricted Cash [Member]
    
Finite And Indefinite Lived Intangible And Other Assets [Line Items]    
Total other assets, Carrying Amount 1,632 2,114
Other [Member]
    
Finite And Indefinite Lived Intangible And Other Assets [Line Items]    
Total other assets, Carrying Amount 11,069 10,868
Total other assets, Accumulated Amortization $ 4,209 $ 3,748