v2.4.1.9
CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Accounts receivable, reserve for credit losses $ 13,919us-gaap_AllowanceForDoubtfulAccountsReceivable $ 10,396us-gaap_AllowanceForDoubtfulAccountsReceivable
Common stock, par value $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 175,000,000us-gaap_CommonStockSharesAuthorized 175,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 43,021,000us-gaap_CommonStockSharesIssued 42,901,000us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 38,897,000us-gaap_CommonStockSharesOutstanding 38,987,000us-gaap_CommonStockSharesOutstanding
Treasury stock, shares 4,218,000us-gaap_TreasuryStockShares 4,007,000us-gaap_TreasuryStockShares