Document and Entity Information Document - shares	3 Months Ended
	Sep. 26, 2015	Oct. 30, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	PERRIGO CO PLC
Entity Central Index Key	0001585364
Current Fiscal Year End Date	--06-25
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 26, 2015
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		146,402,066