FINANCIAL STATEMENT PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES	6 Months Ended
Jun. 30, 2013
Accounting Policies [Abstract]
FINANCIAL STATEMENT PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES	NOTE 2 — FINANCIAL STATEMENT PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES The accompanying unaudited condensed consolidated financial statements include the accounts of Signature, its wholly owned subsidiaries and its majority owned subsidiaries (collectively, the “Company”). The Company accounts for investments in companies over which it has the ability to exercise significant influence, but does not hold a controlling interest, under the equity method of accounting, and records its proportionate share of income or losses in other income (expense) in the condensed consolidated statements of operations. The Company accounts for investments in companies over which it does not have the ability to exercise significant influence under the cost method of accounting. These investments are carried at cost within other noncurrent assets in the condensed consolidated balance sheets. The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 8-03 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments, consisting of normal recurring adjustments considered necessary for a fair presentation, have been included. The Company evaluates subsequent events through the date of filing with the Securities and Exchange Commission (“SEC” or “Commission”). Operating results for the six months ended June 30, 2013 are not indicative of the results that may be expected for the year ending December 31, 2013. These interim period unaudited condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements as of and for the year ended December 31, 2012, which are included in the Company’s Annual Report on Form 10-K, as filed with the SEC on April 1, 2013, and amended on April 30, 2013 (the “Annual Report”). Certain amounts in the accompanying unaudited condensed consolidated financial statements have been reclassified to conform to the current presentation. The Company’s significant accounting policies are disclosed in the Annual Report and there have been no material changes to these accounting policies during the six months ended June 30, 2013. Recent accounting standards In February 2013, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2013-02, Comprehensive Income: Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income (“ASU 2013-02”). ASU 2013-02 requires disclosure of information about the amounts reclassified out of accumulated other comprehensive income (“accumulated OCI”) by component. In addition, ASU 2013-02 requires presentation, either on the face of the statements of operations or in the notes, significant amounts reclassified out of accumulated OCI by the respective line items of net income, but only if the amounts reclassified are required to be reclassified to net income in their entirety in the same reporting period under GAAP. For other amounts that are not required to be reclassified in their entirety to net income under GAAP, a cross-reference must be provided to other required disclosures that provide additional detail about those amounts. ASU 2013-02, which will increase disclosures for the Company as outlined above, is effective January 1, 2013. The adoption of ASU 2013-02 is not expected to have a significant impact on the Company’s consolidated financial statements.

NOTE 2 — FINANCIAL STATEMENT PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES

The accompanying unaudited condensed consolidated financial statements include the accounts of Signature, its wholly owned subsidiaries and its majority owned subsidiaries (collectively, the “Company”). The Company accounts for investments in companies over which it has the ability to exercise significant influence, but does not hold a controlling interest, under the equity method of accounting, and records its proportionate share of income or losses in other income (expense) in the condensed consolidated statements of operations. The Company accounts for investments in companies over which it does not have the ability to exercise significant influence under the cost method of accounting. These investments are carried at cost within other noncurrent assets in the condensed consolidated balance sheets.

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 8-03 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments, consisting of normal recurring adjustments considered necessary for a fair presentation, have been included. The Company evaluates subsequent events through the date of filing with the Securities and Exchange Commission (“SEC” or “Commission”). Operating results for the six months ended June 30, 2013 are not indicative of the results that may be expected for the year ending December 31, 2013. These interim period unaudited condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements as of and for the year ended December 31, 2012, which are included in the Company’s Annual Report on Form 10-K, as filed with the SEC on April 1, 2013, and amended on April 30, 2013 (the “Annual Report”). Certain amounts in the accompanying unaudited condensed consolidated financial statements have been reclassified to conform to the current presentation.

The Company’s significant accounting policies are disclosed in the Annual Report and there have been no material changes to these accounting policies during the six months ended June 30, 2013.

Recent accounting standards

In February 2013, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2013-02, Comprehensive Income: Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income (“ASU 2013-02”). ASU 2013-02 requires disclosure of information about the amounts reclassified out of accumulated other comprehensive income (“accumulated OCI”) by component. In addition, ASU 2013-02 requires presentation, either on the face of the statements of operations or in the notes, significant amounts reclassified out of accumulated OCI by the respective line items of net income, but only if the amounts reclassified are required to be reclassified to net income in their entirety in the same reporting period under GAAP. For other amounts that are not required to be reclassified in their entirety to net income under GAAP, a cross-reference must be provided to other required disclosures that provide additional detail about those amounts. ASU 2013-02, which will increase disclosures for the Company as outlined above, is effective January 1, 2013. The adoption of ASU 2013-02 is not expected to have a significant impact on the Company’s consolidated financial statements.