Basis of Presentation and Summary of Significant New Accounting Policies	6 Months Ended
Jun. 30, 2011
Basis of Presentation and Summary of Significant New Accounting Policies [Abstract]
Basis of Presentation and Summary of Significant New Accounting Policies	2. Basis of Presentation and Summary of Significant New Accounting Policies Principles of Consolidation The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X and, in the opinion of management, reflect all normal recurring adjustments necessary for a fair presentation of results for the unaudited interim periods presented. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles have been condensed or omitted. The results of operations for the interim period are not necessarily indicative of the results to be obtained for the full fiscal year. All material intercompany accounts and transactions have been eliminated in the unaudited condensed consolidated financial statements. Reclassifications Certain reclassifications have been made to the prior period financial statements to conform to the current period presentation. Recent Accounting Pronouncements On December 31, 2010, the Company early adopted the clarification and additional disclosure provisions of Financial Accounting Standards Board (“FASB”) Accounting Standards Update No. 2010-29, an update to FASB Accounting Standards Codification (“ASC”) Business Combination Topic. This update, which is applicable to public entities, clarifies that required pro forma financial information should be presented with an assumption that any current period acquisition occurred as of the beginning of the comparable prior annual reporting period only. Additionally, this update expands the supplemental pro forma disclosures to include a description of the nature and amount of material, nonrecurring pro forma adjustments directly attributable to the business combination included in the reported pro forma revenue and earnings. The adoption of this update had no material impact on the Company's consolidated financial statements. On January 1, 2010, the Company adopted the clarification and additional disclosure provisions of FASB Accounting Standards Update No. 2010-06, an update to FASB ASC Fair Value Measurements and Disclosures Topic. On January 1, 2011, the Company adopted the remaining provisions of this update with respect to the separate disclosure of purchases, sales, issuances and settlements relating to Level 3 fair value measurements. This update clarifies that companies must provide fair value measurement disclosures for each class of assets and liabilities and expands the requirements to include disclosure of amounts and reasons for transfers among different levels within the fair value hierarchy and information within a reconciliation about purchases, sales, issuances and settlements on a gross basis. The adoption of this update had no material impact on the Company's consolidated financial statements. The disclosures required by this update are presented within Note 8 to the unaudited condensed consolidated financial statements. On January 1, 2011, the Company adopted FASB Accounting Standards Update No. 2009-13, an update to FASB ASC Revenue Recognition Topic, which amends existing accounting standards for revenue recognition for multiple-element arrangements. To the extent a deliverable within a multiple-element arrangement is not accounted for pursuant to other accounting standards, the update establishes a selling price hierarchy that allows for the use of an estimated selling price to determine the allocation of arrangement consideration to a deliverable in a multiple-element arrangement where neither vendor-specific objective evidence nor third-party evidence is available for that deliverable. The adoption of this update had no material effect on the Company's consolidated financial statements. In June 2011, the FASB issued Accounting Standards Update No. 2011-04, an update to FASB ASC Fair Value Measurements Topic, which clarifies the intent of the FASB regarding existing requirements, changes certain principles for measuring fair value and expands the disclosure requirements related to fair value measurements. Specifically, this update expands the restriction on the use of block discounts to all fair value measurements and provides conditions which must be satisfied prior to the application of other premiums and discounts (e.g., control premiums and discounts for lack of marketability) to fair value measurements. Additionally, this update requires the disclosure of quantitative information about significant unobservable inputs, the valuation processes in place for Level 3 measurements, the sensitivity of fair value measurements to changes in unobservable inputs, the hierarchy classification for assets and liabilities whose fair value is disclosed only in footnotes, any transfers between Level 1 and Level 2 of the fair value hierarchy and the reason nonfinancial assets measured at fair value are being used in a manner that differs from the highest and best use. This update becomes effective in periods beginning after December 15, 2011 and is required to be adopted prospectively. Early adoption is not permitted. The Company is currently evaluating the impact that the pending adoption will have on the Company's fair value measurements and related disclosures in its consolidated financial statements. In June 2011, the FASB issued Accounting Standards Update No. 2011-05, an update to FASB ASC Comprehensive Income Topic, which amends the existing accounting standards related to the presentation of comprehensive income in a company's financial statements. This update requires that all non-owner changes in stockholders' equity be presented in either a single continuous statement of comprehensive income or in two separate but consecutive statements. In the two statement approach, the first statement would present total net income and its components followed consecutively by a second statement that should present total other comprehensive income, the components of other comprehensive income and the total of comprehensive income. Under either presentation alternative, reclassification adjustments and the effect of those adjustments on net income and other comprehensive income must be presented in the respective statement or statements, as applicable. This update becomes effective in periods beginning after December 15, 2011 and is required to be adopted retrospectively. Early adoption is permitted. The Company is currently evaluating which of the two presentation alternatives it will adopt, as well as the timing of such adoption (i.e., whether to adopt prior to the required effective date).

Basis of Presentation and Summary of Significant New Accounting Policies

6 Months Ended

Jun. 30, 2011

Basis of Presentation and Summary of Significant New Accounting Policies [Abstract]

Basis of Presentation and Summary of Significant New Accounting Policies

2. Basis of Presentation and Summary of Significant New Accounting Policies

Principles of Consolidation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X and, in the opinion of management, reflect all normal recurring adjustments necessary for a fair presentation of results for the unaudited interim periods presented. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles have been condensed or omitted. The results of operations for the interim period are not necessarily indicative of the results to be obtained for the full fiscal year. All material intercompany accounts and transactions have been eliminated in the unaudited condensed consolidated financial statements.

Reclassifications

Certain reclassifications have been made to the prior period financial statements to conform to the current period presentation.

Recent Accounting Pronouncements

On December 31, 2010, the Company early adopted the clarification and additional disclosure provisions of Financial Accounting Standards Board (“FASB”) Accounting Standards Update No. 2010-29, an update to FASB Accounting Standards Codification (“ASC”) Business Combination Topic. This update, which is applicable to public entities, clarifies that required pro forma financial information should be presented with an assumption that any current period acquisition occurred as of the beginning of the comparable prior annual reporting period only. Additionally, this update expands the supplemental pro forma disclosures to include a description of the nature and amount of material, nonrecurring pro forma adjustments directly attributable to the business combination included in the reported pro forma revenue and earnings. The adoption of this update had no material impact on the Company's consolidated financial statements.

On January 1, 2010, the Company adopted the clarification and additional disclosure provisions of FASB Accounting Standards Update No. 2010-06, an update to FASB ASC Fair Value Measurements and Disclosures Topic. On January 1, 2011, the Company adopted the remaining provisions of this update with respect to the separate disclosure of purchases, sales, issuances and settlements relating to Level 3 fair value measurements. This update clarifies that companies must provide fair value measurement disclosures for each class of assets and liabilities and expands the requirements to include disclosure of amounts and reasons for transfers among different levels within the fair value hierarchy and information within a reconciliation about purchases, sales, issuances and settlements on a gross basis. The adoption of this update had no material impact on the Company's consolidated financial statements. The disclosures required by this update are presented within Note 8 to the unaudited condensed consolidated financial statements.

On January 1, 2011, the Company adopted FASB Accounting Standards Update No. 2009-13, an update to FASB ASC Revenue Recognition Topic, which amends existing accounting standards for revenue recognition for multiple-element arrangements. To the extent a deliverable within a multiple-element arrangement is not accounted for pursuant to other accounting standards, the update establishes a selling price hierarchy that allows for the use of an estimated selling price to determine the allocation of arrangement consideration to a deliverable in a multiple-element arrangement where neither vendor-specific objective evidence nor third-party evidence is available for that deliverable. The adoption of this update had no material effect on the Company's consolidated financial statements.

In June 2011, the FASB issued Accounting Standards Update No. 2011-04, an update to FASB ASC Fair Value Measurements Topic, which clarifies the intent of the FASB regarding existing requirements, changes certain principles for measuring fair value and expands the disclosure requirements related to fair value measurements. Specifically, this update expands the restriction on the use of block discounts to all fair value measurements and provides conditions which must be satisfied prior to the application of other premiums and discounts (e.g., control premiums and discounts for lack of marketability) to fair value measurements. Additionally, this update requires the disclosure of quantitative information about significant unobservable inputs, the valuation processes in place for Level 3 measurements, the sensitivity of fair value measurements to changes in unobservable inputs, the hierarchy classification for assets and liabilities whose fair value is disclosed only in footnotes, any transfers between Level 1 and Level 2 of the fair value hierarchy and the reason nonfinancial assets measured at fair value are being used in a manner that differs from the highest and best use. This update becomes effective in periods beginning after December 15, 2011 and is required to be adopted prospectively. Early adoption is not permitted. The Company is currently evaluating the impact that the pending adoption will have on the Company's fair value measurements and related disclosures in its consolidated financial statements.

In June 2011, the FASB issued Accounting Standards Update No. 2011-05, an update to FASB ASC Comprehensive Income Topic, which amends the existing accounting standards related to the presentation of comprehensive income in a company's financial statements. This update requires that all non-owner changes in stockholders' equity be presented in either a single continuous statement of comprehensive income or in two separate but consecutive statements. In the two statement approach, the first statement would present total net income and its components followed consecutively by a second statement that should present total other comprehensive income, the components of other comprehensive income and the total of comprehensive income. Under either presentation alternative, reclassification adjustments and the effect of those adjustments on net income and other comprehensive income must be presented in the respective statement or statements, as applicable. This update becomes effective in periods beginning after December 15, 2011 and is required to be adopted retrospectively. Early adoption is permitted. The Company is currently evaluating which of the two presentation alternatives it will adopt, as well as the timing of such adoption (i.e., whether to adopt prior to the required effective date).

- Definition

Description containing the entire organization, consolidation and basis of presentation of financial statements disclosure. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements.

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