Document and Entity Information Document	6 Months Ended
	Dec. 28, 2013	Jan. 31, 2014
Document and Entity Information [Abstract]
Entity Registrant Name	PERRIGO CO PLC
Entity Central Index Key	0001585364
Current Fiscal Year End Date	--06-28
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Dec. 28, 2013
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		133,747,488