Guarantor Condensed Consolidating Financial Statements - Cash Flows (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Condensed Financial Statements, Captions [Line Items]
Net cash from operating activities	$ 693.5	$ 553.8	$ 513.4
Cash Flows (For) From Investing Activities
Acquisitions of businesses, net of cash acquired	(1,605.8)	(852.3)	(582.3)
Payments to Acquire Available-for-sale Securities	(15.0)	0	0
Proceeds from sale of securities	81.4	8.6	0
Additions to property and equipment	(171.6)	(104.1)	(120.2)
Proceeds from Sale of Property, Plant, and Equipment	6.2	0	0
Proceeds from (Repayments of) Notes Payable	0	0	0
Proceeds from sale of intangible assets and pipeline development projects	0	0	10.5
Proceeds from sale of business	0	0	8.6
Payments to Acquire Other Productive Assets	0	0	(0.8)
Net cash for investing activities	(1,704.8)	(947.8)	(684.1)
Cash Flows (For) From Financing Activities
Purchase of noncontrolling interest	(7.2)	0	0
Borrowings (Repayments) of short-term debt, net	(3.0)	5.0	(2.7)
Payments of Debt Extinguishment Costs	(133.5)	0	0
Borrowings of long-term debt	3,293.6	637.3	1,089.2
Repayments of long-term debt	(2,035.0)	(40.0)	(610.0)
Deferred financing fees	(48.8)	(6.0)	(5.1)
Excess tax benefit of stock transactions	5.7	15.7	12.9
Issuance of common stock	9.8	10.7	11.6
Repurchase of common stock	(7.5)	(12.4)	(8.2)
Cash dividends	(46.1)	(33.0)	(29.0)
Proceeds From Affiliate Notes	0	0	0
Net cash from (for) financing activities	1,028.0	577.2	458.7
Effect of exchange rate changes on cash	2.9	(5.8)	4.4
Net increase in cash and cash equivalents	19.6	177.4	292.4
Cash and cash equivalents, beginning of period	779.9	602.5	310.1
Cash and cash equivalents, end of period	799.5	779.9	602.5
Elimination Entries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash from operating activities	0	0	0
Cash Flows (For) From Investing Activities
Acquisitions of businesses, net of cash acquired	0	0	0
Payments to Acquire Available-for-sale Securities	0
Proceeds from sale of securities	0	0
Additions to property and equipment	0	0	0
Proceeds from (Repayments of) Notes Payable	4,110.3	(6.9)	(1,604.9)
Proceeds from sale of intangible assets and pipeline development projects			0
Proceeds from sale of business			0
Payments to Acquire Other Productive Assets			0
Net cash for investing activities	4,110.3	(6.9)	(1,604.9)
Cash Flows (For) From Financing Activities
Purchase of noncontrolling interest	0
Borrowings (Repayments) of short-term debt, net	0	0	0
Payments of Debt Extinguishment Costs	0
Borrowings of long-term debt	0	0	0
Repayments of long-term debt	0	0	0
Deferred financing fees	0	0	0
Excess tax benefit of stock transactions	0	0	0
Issuance of common stock	0	0	0
Repurchase of common stock	0	0	0
Cash dividends	0	0	0
Proceeds From Affiliate Notes	(4,110.3)	6.9	1,604.9
Net cash from (for) financing activities	(4,110.3)	6.9	1,604.9
Effect of exchange rate changes on cash		0	0
Net increase in cash and cash equivalents	0	0	0
Cash and cash equivalents, beginning of period	0	0	0
Cash and cash equivalents, end of period	0	0	0
Perrigo Company plc [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash from operating activities	(126.5)
Cash Flows (For) From Investing Activities
Acquisitions of businesses, net of cash acquired	(3,334.0)
Payments to Acquire Available-for-sale Securities	0
Proceeds from sale of securities	0
Additions to property and equipment	0
Proceeds from Sale of Property, Plant, and Equipment	0
Proceeds from (Repayments of) Notes Payable	(1,510.0)
Net cash for investing activities	(4,844.0)
Cash Flows (For) From Financing Activities
Purchase of noncontrolling interest	0
Borrowings (Repayments) of short-term debt, net	0
Payments of Debt Extinguishment Costs	0
Borrowings of long-term debt	3,293.6
Repayments of long-term debt	(70.0)
Deferred financing fees	(48.8)
Excess tax benefit of stock transactions	5.7
Issuance of common stock	9.8
Repurchase of common stock	(7.5)
Cash dividends	(28.1)
Proceeds From Affiliate Notes	2,139.2
Net cash from (for) financing activities	5,293.9
Effect of exchange rate changes on cash	0
Net increase in cash and cash equivalents	323.4
Cash and cash equivalents, beginning of period	0
Cash and cash equivalents, end of period	323.4
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash from operating activities	385.6	216.1	(1,272.7)
Cash Flows (For) From Investing Activities
Acquisitions of businesses, net of cash acquired	1,728.2	(571.5)	(582.3)
Payments to Acquire Available-for-sale Securities	(15.0)
Proceeds from sale of securities	2.0	0
Additions to property and equipment	(123.4)	(71.3)	(81.7)
Proceeds from Sale of Property, Plant, and Equipment	1.6
Proceeds from (Repayments of) Notes Payable	(1,908.0)	6.9	1,604.9
Proceeds from sale of intangible assets and pipeline development projects			7.0
Proceeds from sale of business			0
Payments to Acquire Other Productive Assets			(0.3)
Net cash for investing activities	(314.6)	(635.9)	947.6
Cash Flows (For) From Financing Activities
Purchase of noncontrolling interest	0
Borrowings (Repayments) of short-term debt, net	0	0	0
Payments of Debt Extinguishment Costs	(133.5)
Borrowings of long-term debt	0	636.9	1,085.0
Repayments of long-term debt	(1,965.0)	(40.0)	(610.0)
Deferred financing fees	0	(6.0)	(5.1)
Excess tax benefit of stock transactions	0	15.7	12.9
Issuance of common stock	0	10.7	11.6
Repurchase of common stock	0	(12.4)	(8.2)
Cash dividends	(18.0)	(33.0)	(29.0)
Proceeds From Affiliate Notes	1,771.1	0	0
Net cash from (for) financing activities	(345.4)	571.9	457.2
Effect of exchange rate changes on cash	0	0	0
Net increase in cash and cash equivalents	(274.4)	152.1	132.1
Cash and cash equivalents, beginning of period	519.6	367.5	235.4
Cash and cash equivalents, end of period	245.2	519.6	367.5
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash from operating activities	434.4	337.7	1,786.1
Cash Flows (For) From Investing Activities
Acquisitions of businesses, net of cash acquired	0	(280.8)	0
Payments to Acquire Available-for-sale Securities	0
Proceeds from sale of securities	79.4	8.6
Additions to property and equipment	(48.2)	(32.8)	(38.5)
Proceeds from Sale of Property, Plant, and Equipment	4.6
Proceeds from (Repayments of) Notes Payable	(692.3)	0	0
Proceeds from sale of intangible assets and pipeline development projects			3.5
Proceeds from sale of business			8.6
Payments to Acquire Other Productive Assets			(0.5)
Net cash for investing activities	(656.5)	(305.0)	(26.8)
Cash Flows (For) From Financing Activities
Purchase of noncontrolling interest	(7.2)
Borrowings (Repayments) of short-term debt, net	(3.0)	5.0	(2.7)
Payments of Debt Extinguishment Costs	0
Borrowings of long-term debt	0	0.3	4.2
Repayments of long-term debt	0	0	0
Deferred financing fees	0	0	0
Excess tax benefit of stock transactions	0	0	0
Issuance of common stock	0	0	0
Repurchase of common stock	0	0	0
Cash dividends	0	0	0
Proceeds From Affiliate Notes	200.0	(6.9)	(1,604.9)
Net cash from (for) financing activities	189.8	(1.6)	(1,603.4)
Effect of exchange rate changes on cash	2.9	(5.8)	4.4
Net increase in cash and cash equivalents	(29.4)	25.3	160.3
Cash and cash equivalents, beginning of period	260.3	235.0	74.7
Cash and cash equivalents, end of period	$ 230.9	$ 260.3	$ 235.0