Stockholders' Equity and Noncontrolling Interests	9 Months Ended
Sep. 30, 2022
Noncontrolling Interest [Abstract]
Stockholders' Equity and Noncontrolling Interests	11. STOCKHOLDERS’ EQUITY AND NONCONTROLLING INTERESTS Equity Financings During April 2021, the Company completed an underwritten public offering, which included an exercised underwriters' option of 3.7 million shares of the Company’s common stock, for which the Company received net proceeds of approximately $192.8 million, after deducting the underwriting discounts and offering expenses payable by the Company. Non-controlling Interests QGT, through its wholly-owned subsidiary in Singapore, owns part of the outstanding shares of Cinos Korea, a South Korean company that provides outsourced cleaning and recycling of precision parts for the semiconductor industry through its operating facilities in South Korea and through a partial interest in Cinos China. The carrying value of the remaining interest held by another shareholder in Cinos Korea and the remaining interest in Cinos China are presented as noncontrolling interests in the accompanying Condensed Consolidated Financial Statements. The fair values of the noncontrolling interests were estimated based on the values of Cinos Korea and Cinos China on a 100.0% basis. The values were calculated based on the pro-rata portion of total QGT earnings before interest expense, taxes, depreciation and amortization contributed by each entity. Rovac Pte, Ltd., which is based in Singapore, is a majority-owned company of Ham-Let. The carrying value of the remaining interest held by the minority shareholder in Rovac is presented as non-controlling interests in the accompanying Condensed Consolidated Financial Statements. During the second quarter of 2022, the Company committed to a plan to sell its majority interest, and as a result, the Company recorded a loss of $5.2 million related to the write-off of goodwill and intangible assets. The transaction is expected to be finalized during fourth quarter of 2022.

Stockholders' Equity and Noncontrolling Interests

9 Months Ended

Sep. 30, 2022

Stockholders' Equity and Noncontrolling Interests

11. STOCKHOLDERS’ EQUITY AND NONCONTROLLING INTERESTS

Equity Financings

During April 2021, the Company completed an underwritten public offering, which included an exercised underwriters' option of 3.7 million shares of the Company’s common stock, for which the Company received net proceeds of approximately $192.8 million, after deducting the underwriting discounts and offering expenses payable by the Company.

Non-controlling Interests

QGT, through its wholly-owned subsidiary in Singapore, owns part of the outstanding shares of Cinos Korea, a South Korean company that provides outsourced cleaning and recycling of precision parts for the semiconductor industry through its operating facilities in South Korea and through a partial interest in Cinos China.

The carrying value of the remaining interest held by another shareholder in Cinos Korea and the remaining interest in Cinos China are presented as noncontrolling interests in the accompanying Condensed Consolidated Financial Statements. The fair values of the noncontrolling interests were estimated based on the values of Cinos Korea and Cinos China on a 100.0% basis. The values were calculated based on the pro-rata portion of total QGT earnings before interest expense, taxes, depreciation and amortization contributed by each entity.

Rovac Pte, Ltd., which is based in Singapore, is a majority-owned company of Ham-Let. The carrying value of the remaining interest held by the minority shareholder in Rovac is presented as non-controlling interests in the accompanying Condensed Consolidated Financial Statements. During the second quarter of 2022, the Company committed to a plan to sell its majority interest, and as a result, the Company recorded a loss of $5.2 million related to the write-off of goodwill and intangible assets. The transaction is expected to be finalized during fourth quarter of 2022.