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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2014
Jun. 30, 2014
Statement of Financial Position [Abstract]    
Accounts receivable trade, allowance for doubtful accounts $ 6,211us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 4,727us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Common stock, shares outstanding (in shares) 122,078,994us-gaap_CommonStockSharesOutstanding 121,758,432us-gaap_CommonStockSharesOutstanding
Common stock, shares issued (in shares) 122,078,994us-gaap_CommonStockSharesIssued 121,758,432us-gaap_CommonStockSharesIssued
Treasury stock, shares (in shares) 407,725us-gaap_TreasuryStockShares 763,278us-gaap_TreasuryStockShares