Stockholders' Equity and Noncontrolling Interests	3 Months Ended
Apr. 01, 2022
Noncontrolling Interest [Abstract]
Stockholders' Equity and Noncontrolling Interests	10. 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.

Stockholders' Equity and Noncontrolling Interests

3 Months Ended

Apr. 01, 2022

Stockholders' Equity and Noncontrolling Interests

10. 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.