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Cover Page Cover Page
Nov. 02, 2021
Cover [Abstract]  
Entity Incorporation, State or Country Code L2
Entity Central Index Key 0001757898
Title of 12(b) Security Ordinary Shares, $0.001 par value
Document Type 8-K
Pre-commencement Issuer Tender Offer false
Pre-commencement Tender Offer false
Soliciting Material false
Written Communications false
Entity Address, Country IE
Entity File Number 001-38848
Entity Tax Identification Number 98-1455064
Local Phone Number 1 232 2000
Document Period End Date Nov. 02, 2021
City Area Code 353
Entity Registrant Name STERIS plc
Entity Address, Address Line One 70 Sir John Rogerson's Quay,
Entity Address, City or Town Dublin 2,
Trading Symbol STE
Security Exchange Name NYSE
Amendment Flag false
Entity Address, Postal Zip Code D02 R296
Entity Emerging Growth Company false
Document Information [Line Items]  
Title of 12(b) Security Ordinary Shares, $0.001 par value
Trading Symbol STE
Security Exchange Name NYSE
STE Two700 Senior Notes Due2031 Member  
Cover [Abstract]  
Title of 12(b) Security 2.700% Senior Notes due 2031
Trading Symbol STE/31
Security Exchange Name NYSE
Document Information [Line Items]  
Title of 12(b) Security 2.700% Senior Notes due 2031
Trading Symbol STE/31
Security Exchange Name NYSE
Two700 Senior Notes Due2051 Member  
Cover [Abstract]  
Title of 12(b) Security 3.750% Senior Notes due 2051
Trading Symbol STE/51
Security Exchange Name NYSE
Document Information [Line Items]  
Title of 12(b) Security 3.750% Senior Notes due 2051
Trading Symbol STE/51
Security Exchange Name NYSE