001 - Statement - Condensed Consolidated Unaudited Balance Sheets
link:presentationLink
link:definitionLink
link:calculationLink
002 - Statement - Condensed Consolidated Unaudited Balance Sheets (Parentheticals)
link:presentationLink
link:definitionLink
link:calculationLink
003 - Statement - Condensed Consolidated Statements of Income (unaudited)
link:presentationLink
link:definitionLink
link:calculationLink
004 - Statement - Condensed Consolidated Unaudited Statements of Cash Flows
link:presentationLink
link:definitionLink
link:calculationLink
005 - Disclosure - Note 1 - Financial Information
link:presentationLink
link:definitionLink
link:calculationLink
006 - Disclosure - Note 2 - Stock-Based Compensation
link:presentationLink
link:definitionLink
link:calculationLink
007 - Disclosure - Note 3 - Earnings Per Share
link:presentationLink
link:definitionLink
link:calculationLink
008 - Disclosure - Note 4 - Segment Information
link:presentationLink
link:definitionLink
link:calculationLink
009 - Disclosure - Note 5 - Joint Venture
link:presentationLink
link:definitionLink
link:calculationLink
010 - Disclosure - Note 6 - Commitments and Contingencies
link:presentationLink
link:definitionLink
link:calculationLink
011 - Disclosure - Note 7 - Dividends
link:presentationLink
link:definitionLink
link:calculationLink
012 - Disclosure - Note 8 - Goodwill and Intangible Assets
link:presentationLink
link:definitionLink
link:calculationLink
013 - Disclosure - Note 9 - Investments and Related Commitments
link:presentationLink
link:definitionLink
link:calculationLink
014 - Disclosure - Note 10 - Marketable Equity Securities
link:presentationLink
link:definitionLink
link:calculationLink
015 - Disclosure - Note 11 - Comprehensive Income
link:presentationLink
link:definitionLink
link:calculationLink
016 - Disclosure - Note 12 - Assets Held for Sale
link:presentationLink
link:definitionLink
link:calculationLink
017 - Disclosure - Note 13 - Income Taxes
link:presentationLink
link:definitionLink
link:calculationLink
018 - Disclosure - Note 14 - Company Share Repurchase Programs
link:presentationLink
link:definitionLink
link:calculationLink
019 - Disclosure - Note 15 - Fair Value Measurements
link:presentationLink
link:definitionLink
link:calculationLink
020 - Disclosure - Note 16 - Notes Receivable
link:presentationLink
link:definitionLink
link:calculationLink
021 - Disclosure - Note 17 - Related Party Transactions
link:presentationLink
link:definitionLink
link:calculationLink
022 - Disclosure - Note 18 - Line of Credit
link:presentationLink
link:definitionLink
link:calculationLink
023 - Disclosure - Note 19 - Subsequent Events
link:presentationLink
link:definitionLink
link:calculationLink
024 - Disclosure - Note 20 - Recent Accounting Pronouncements
link:presentationLink
link:definitionLink
link:calculationLink
025 - Disclosure - Note 2 - Stock-Based Compensation (Tables)
link:presentationLink
link:definitionLink
link:calculationLink
026 - Disclosure - Note 3 - Earnings Per Share (Tables)
link:presentationLink
link:definitionLink
link:calculationLink
027 - Disclosure - Note 8 - Goodwill and Intangible Assets (Tables)
link:presentationLink
link:definitionLink
link:calculationLink
028 - Disclosure - Note 11 - Comprehensive Income (Tables)
link:presentationLink
link:definitionLink
link:calculationLink
029 - Disclosure - Note 15 - Fair Value Measurements (Tables)
link:presentationLink
link:definitionLink
link:calculationLink
030 - Disclosure - Note 16 - Notes Receivable (Tables)
link:presentationLink
link:definitionLink
link:calculationLink
031 - Disclosure - Note 2 - Stock-Based Compensation (Detail)
link:presentationLink
link:definitionLink
link:calculationLink
032 - Statement - Note 2 - Stock-Based Compensation (Detail) - Stock-Based Compensation
link:presentationLink
link:definitionLink
link:calculationLink
033 - Statement - Note 2 - Stock-Based Compensation (Detail) - A Summary of the Option Award Activity Under the 2003 Plan
link:presentationLink
link:definitionLink
link:calculationLink
034 - Statement - Note 2 - Stock-Based Compensation (Detail) - A Summary of the Restricted Stock Unit Award Activity Under the 2003 Plan
link:presentationLink
link:definitionLink
link:calculationLink
035 - Statement - Note 3 - Earnings Per Share (Detail) - A Reconciliation of the Basic and Diluted Earnings Per Share Computations
link:presentationLink
link:definitionLink
link:calculationLink
036 - Statement - Note 3 - Earnings Per Share (Detail) - Certain Shares of Common Stock were Excluded from the Computation of Diluted Earnings Per Share
link:presentationLink
link:definitionLink
link:calculationLink
037 - Disclosure - Note 5 - Joint Venture (Detail)
link:presentationLink
link:definitionLink
link:calculationLink
038 - Disclosure - Note 7 - Dividends (Detail)
link:presentationLink
link:definitionLink
link:calculationLink
039 - Disclosure - Note 8 - Goodwill and Intangible Assets (Detail)
link:presentationLink
link:definitionLink
link:calculationLink
040 - Statement - Note 8 - Goodwill and Intangible Assets (Detail) - The Changes in Carrying Amount of Goodwill
link:presentationLink
link:definitionLink
link:calculationLink
041 - Statement - Note 8 - Goodwill and Intangible Assets (Detail) - The Changes in Carrying Amount of Intangible Assets
link:presentationLink
link:definitionLink
link:calculationLink
042 - Disclosure - Note 9 - Investments and Related Commitments (Detail)
link:presentationLink
link:definitionLink
link:calculationLink
043 - Disclosure - Note 10 - Marketable Equity Securities (Detail)
link:presentationLink
link:definitionLink
link:calculationLink
044 - Statement - Note 11 - Comprehensive Income (Detail) - The Components of Comprehensive Income
link:presentationLink
link:definitionLink
link:calculationLink
045 - Disclosure - Note 12 - Assets Held for Sale (Detail)
link:presentationLink
link:definitionLink
link:calculationLink
046 - Disclosure - Note 14 - Company Share Repurchase Programs (Detail)
link:presentationLink
link:definitionLink
link:calculationLink
047 - Statement - Note 15 - Fair Value Measurements (Detail) - The Fair Value of the Company's Financial Assets and Liabilities that are Required to be Measured at Fair Value
link:presentationLink
link:definitionLink
link:calculationLink
048 - Disclosure - Note 16 - Notes Receivable (Detail)
link:presentationLink
link:definitionLink
link:calculationLink
049 - Statement - Note 16 - Notes Receivable (Detail) - The Current and Long-Term Balance of our Notes Receivable
link:presentationLink
link:definitionLink
link:calculationLink
050 - Statement - Note 16 - Notes Receivable (Detail) - Components of the Net Investment in Sales-Type Leases
link:presentationLink
link:definitionLink
link:calculationLink
051 - Disclosure - Note 17 - Related Party Transactions (Detail)
link:presentationLink
link:definitionLink
link:calculationLink
052 - Disclosure - Note 18 - Line of Credit (Detail)
link:presentationLink
link:definitionLink
link:calculationLink
053 - Disclosure - Note 19 - Subsequent Events (Detail)
link:presentationLink
link:definitionLink
link:calculationLink
000 - Disclosure - Document And Entity Information
link:presentationLink
link:definitionLink
link:calculationLink