Document and Entity Information Document	9 Months Ended
	Mar. 28, 2015	Apr. 24, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	PERRIGO CO PLC
Entity Central Index Key	0001585364
Current Fiscal Year End Date	--06-27
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 28, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		146,262,983