Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2020	May 22, 2020	Sep. 30, 2019
Cover [Abstract]
Entity Registrant Name	MODINE MANUFACTURING CO
Entity Central Index Key	0000067347
Current Fiscal Year End Date	--03-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Public Float			$ 562
Entity Common Stock, Shares Outstanding		50,823,290
Document Type	10-K
Amendment Flag	false
Document Period End Date	Mar. 31, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Document Annual Report	true
Document Transition Report	false
Entity File Number	1-1373
Entity Tax Identification Number	39-0482000
Entity Incorporation, State or Country Code	WI
Entity Address, Address Line One	1500 DeKoven Avenue
Entity Address, City or Town	Racine
Entity Address, State or Province	WI
Entity Address, Postal Zip Code	53403
City Area Code	262
Local Phone Number	636-1200
Title of 12(b) Security	Common Stock, $0.625 par value
Trading Symbol	MOD
Security Exchange Name	NYSE