Document and Entity Information - USD ($)	12 Months Ended
	Jun. 27, 2015	Aug. 07, 2015	Dec. 27, 2013
Entity Information [Line Items]
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-K
Document Period End Date	Jun. 27, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		146,279,437
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 23,365,172,165