XML 7 R1.htm IDEA: XBRL DOCUMENT v3.22.2.2
Document and Entity Information
Aug. 17, 2022
Cover [Abstract]  
Entity Registrant Name MKS INSTRUMENTS INC
Amendment Flag true
Entity Central Index Key 0001049502
Document Type 8-K/A
Document Period End Date Aug. 17, 2022
Entity Incorporation State Country Code MA
Entity File Number 000-23621
Entity Tax Identification Number 04-2277512
Entity Address, Address Line One 2 Tech Drive
Entity Address, Address Line Two Suite 201
Entity Address, City or Town Andover
Entity Address, State or Province MA
Entity Address, Postal Zip Code 01810
City Area Code 978
Local Phone Number 645-5500
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, no par value
Trading Symbol MKSI
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Amendment Description On August 17, 2022, MKS Instruments, Inc., a Massachusetts corporation (the “Company”), filed with the Securities and Exchange Commission a Current Report on Form 8-K (the “Original Form 8-K”) to report, among other things, the completion of its acquisition of Atotech Limited, a Bailiwick of Jersey company (“Atotech”), through the acquisition of the entire issued and to be issued share capital of Atotech by Atotech Manufacturing, Inc., a Delaware corporation and indirect wholly owned subsidiary of the Company (the “Acquisition”), pursuant to that certain Implementation Agreement by and between the Company and Atotech, dated as of July 1, 2021, as amended by the Letter Agreement dated October 29, 2021 by and among the Company, Atotech and Atotech Manufacturing, Inc. and as further amended by the Amendment to the Implementation Agreement dated April 1, 2022 by and among the Company, Atotech and Atotech Manufacturing, Inc. Pursuant to Item 9.01(a)(4) and 9.01(b)(2) of Form 8-K, this Amendment No. 1 to the Original Form 8-K (“Amendment No. 1”) amends and supplements Item 9.01 of the Original Form 8-K to provide the required historical audited financial statements of Atotech and the pro forma financial information that were not filed with the Original Form 8-K. Except as provided herein, the disclosures contained in this Amendment No. 1 have not been updated to reflect events, results or developments that have occurred since the filing of the Original Form 8-K. This Amendment No. 1 should be read in conjunction with the Original Form 8-K, which provides a more complete description of the Acquisition.