XML 53 R3.htm IDEA: XBRL DOCUMENT v2.4.1.9
CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Receivables, allowances $ 4,878,000us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 4,806,000us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Other noncurrent assets at fair value $ 37,300,000us-gaap_AvailableForSaleSecurities $ 33,800,000us-gaap_AvailableForSaleSecurities
Preferred stock, par value $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, shares authorized 5,000,000us-gaap_PreferredStockSharesAuthorized 5,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued 0us-gaap_PreferredStockSharesIssued 0us-gaap_PreferredStockSharesIssued
Preferred stock, shares outstanding 0us-gaap_PreferredStockSharesOutstanding 0us-gaap_PreferredStockSharesOutstanding
Common stock, par value $ 0.005us-gaap_CommonStockParOrStatedValuePerShare $ 0.005us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 280,000,000us-gaap_CommonStockSharesAuthorized 280,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 139,820,388us-gaap_CommonStockSharesIssued 139,820,388us-gaap_CommonStockSharesIssued
Treasury stock, shares 23,108,333us-gaap_TreasuryStockShares 24,182,584us-gaap_TreasuryStockShares