Annual report pursuant to Section 13 and 15(d)

Summary Of Significant Accounting Policies Summary Of Significant Accounting Policies (Schedule Of Accounts Receivable, Net) (Details)

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Summary Of Significant Accounting Policies Summary Of Significant Accounting Policies (Schedule Of Accounts Receivable, Net) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, net $ 249,890 $ 222,583
Other Receivable [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, net 17,456 16,672
Credit card companies [Member] | Trade Accounts Receivables [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, net 29,393 25,518
Flexpay and other customer-related [Member] | Trade Accounts Receivables [Member]
    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, net $ 203,041 $ 180,393