Document and Entity Information Document	3 Months Ended
	Sep. 28, 2013	Oct. 31, 2013 Ordinary Shares [Member]	Oct. 31, 2013 Deferred Ordinary Shares [Member]
Document and Entity Information [Abstract]
Entity Registrant Name	PERRIGO Co Ltd
Entity Central Index Key	0001585364
Current Fiscal Year End Date	--06-28
Entity Filer Category	Smaller Reporting Company
Document Type	10-Q
Document Period End Date	Sep. 28, 2013
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q1
Amendment Flag	false
Class of Shares [Line Items]
Entity Ordinary Shares, Shares Outstanding		23,000,015	40,000