CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts and returns	$ 1,563	$ 1,733
Preferred stock, par value (usd per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (shares)	5,000us-gaap_PreferredStockSharesAuthorized	5,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, issued (shares)
Common stock, par value (usd per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (shares)	200,000us-gaap_CommonStockSharesAuthorized	200,000us-gaap_CommonStockSharesAuthorized
Common stock, issued (shares)	80,205us-gaap_CommonStockSharesIssued	80,583us-gaap_CommonStockSharesIssued
Common stock, outstanding (shares)	80,205us-gaap_CommonStockSharesOutstanding	80,583us-gaap_CommonStockSharesOutstanding

Allowance For Doubtful Accounts Receivable And Sales Returns Current

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Face amount or stated value per share of common stock.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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