Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Allowance For Bad Debt	$ 15,961	$ 14,856
Preferred stock - par value per share	$ 0.01	$ 0.01
Preferred stock - authorized shares	10,000,000us-gaap_PreferredStockSharesAuthorized	10,000,000us-gaap_PreferredStockSharesAuthorized
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common stock - authorized shares	125,000,000us-gaap_CommonStockSharesAuthorized	125,000,000us-gaap_CommonStockSharesAuthorized
Common stock - issued shares	44,786,011us-gaap_CommonStockSharesIssued	44,786,011us-gaap_CommonStockSharesIssued
Common stock - outstanding shares	28,243,007us-gaap_CommonStockSharesOutstanding	29,487,075us-gaap_CommonStockSharesOutstanding
Treasury shares	16,543,004us-gaap_TreasuryStockShares	15,298,936us-gaap_TreasuryStockShares

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

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