Guarantor Condensed Consolidating Financial Statements - Balance Sheet (Details) (USD $) In Millions, unless otherwise specified	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012	Jun. 25, 2011
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	$ 799.5	$ 779.9	$ 602.5	$ 310.1
Investment securities	5.9	0
Accounts receivable, net	935.1	651.9
Inventories	631.6	703.9
Current deferred income taxes	62.8	47.1
Prepaid expenses and other current assets	116.0	54.1
Total current assets	2,550.9	2,236.9
Property and equip, net	779.9	681.4	578.4
Goodwill and other indefinite-lived intangible assets	3,543.8	1,174.1
Other intangible assets, net	6,787.0	1,157.6
Non-current deferred income taxes	23.6	20.3
Other non-current assets	195.0	80.6
Intercompany loans receivable	0	0
Investment in subsidiaries	0	0
Total non-current assets	11,329.3	3,114.0
Total assets	13,880.2	5,350.8
Accounts payable	364.3	382.0
Short term debt	2.1	5.0
Payroll and related taxes	112.3	82.1
Accrued customer programs	256.5	131.7
Accrued liabilities	179.4	95.7
Accrued income taxes	17.4	11.6
Current deferred income taxes	1.1	0.2
Current portion of long-term debt	141.6	41.2
Total current liabilities	1,074.7	749.4
Total long-term debt, less current portion	3,090.5	1,927.8
Non-current deferred income taxes	727.9	127.8
Other non-current liabilities	293.4	213.2
Intercompany loans payable	0	0
Total non-current liabilities	4,111.8	2,268.8
Total liabilities	5,186.5	3,018.2
Controlling interest	8,692.9	2,331.4	1,851.0	1,529.1
Noncontrolling interest	0.8	1.2
Shareholders' equity	8,693.7	2,332.6
Total liabilities and shareholders' equity	13,880.2	5,350.8
Elimination Entries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	0	0	0	0
Investment securities	0
Accounts receivable, net	(4,025.9)	(1,273.4)
Inventories	(130.4)	(126.3)
Current deferred income taxes	0	0
Prepaid expenses and other current assets	0	0
Total current assets	(4,156.3)	(1,399.7)
Property and equip, net	0	0
Goodwill and other indefinite-lived intangible assets	0	0
Other intangible assets, net	0	0
Non-current deferred income taxes	(16.0)	0
Other non-current assets	0	0
Intercompany loans receivable	(20,889.8)	(2.2)
Investment in subsidiaries	(14,371.0)	(4,917.9)
Total non-current assets	(35,276.8)	(4,920.1)
Total assets	(39,433.1)	(6,319.8)
Accounts payable	(4,156.2)	(1,399.6)
Short term debt	0	0
Payroll and related taxes	0	0
Accrued customer programs	0	0
Accrued liabilities	(0.5)	0
Accrued income taxes	0	0
Current deferred income taxes	0	0
Current portion of long-term debt	0	0
Total current liabilities	(4,156.7)	(1,399.6)
Total long-term debt, less current portion	0	0
Non-current deferred income taxes	(16.0)	0
Other non-current liabilities	0	0
Intercompany loans payable	(20,888.3)	(2.2)
Total non-current liabilities	(20,904.3)	(2.2)
Total liabilities	(25,061.0)	(1,401.8)
Controlling interest	(14,372.1)	(4,918.1)
Noncontrolling interest	0	0
Shareholders' equity	(14,372.1)	(4,918.1)
Total liabilities and shareholders' equity	(39,433.1)	(6,319.8)
Perrigo Company plc [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	323.4	0
Investment securities	0
Accounts receivable, net	1.4
Inventories	0
Current deferred income taxes	0
Prepaid expenses and other current assets	9.9
Total current assets	334.7
Property and equip, net	0
Goodwill and other indefinite-lived intangible assets	0
Other intangible assets, net	0
Non-current deferred income taxes	16.0
Other non-current assets	23.8
Intercompany loans receivable	7,300.0
Investment in subsidiaries	6,218.9
Total non-current assets	13,558.7
Total assets	13,893.4
Accounts payable	35.2
Short term debt	0
Payroll and related taxes	0.1
Accrued customer programs	0
Accrued liabilities	11.4
Accrued income taxes	0
Current deferred income taxes	0
Current portion of long-term debt	140.0
Total current liabilities	186.7
Total long-term debt, less current portion	3,084.0
Non-current deferred income taxes	0
Other non-current liabilities	0
Intercompany loans payable	1,929.0
Total non-current liabilities	5,013.0
Total liabilities	5,199.7
Controlling interest	8,693.7
Noncontrolling interest	0
Shareholders' equity	8,693.7
Total liabilities and shareholders' equity	13,893.4
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	245.2	519.6	367.5	235.4
Investment securities	0
Accounts receivable, net	463.9	409.4
Inventories	613.9	682.9
Current deferred income taxes	59.8	39.8
Prepaid expenses and other current assets	62.7	23.7
Total current assets	1,445.5	1,675.4
Property and equip, net	532.4	468.4
Goodwill and other indefinite-lived intangible assets	3,078.3	746.5
Other intangible assets, net	6,583.8	938.9
Non-current deferred income taxes	0	0
Other non-current assets	84.5	56.9
Intercompany loans receivable	2,145.7	2.2
Investment in subsidiaries	7,826.9	2,045.1
Total non-current assets	20,251.6	4,258.0
Total assets	21,697.1	5,933.4
Accounts payable	3,998.0	1,220.8
Short term debt	0	0
Payroll and related taxes	79.9	55.1
Accrued customer programs	65.6	43.0
Accrued liabilities	121.8	74.0
Accrued income taxes	3.4	7.3
Current deferred income taxes	1.1	0
Current portion of long-term debt	1.6	41.2
Total current liabilities	4,271.4	1,441.4
Total long-term debt, less current portion	1.9	1,923.3
Non-current deferred income taxes	709.6	88.2
Other non-current liabilities	182.6	149.1
Intercompany loans payable	11,291.5	0
Total non-current liabilities	12,185.6	2,160.6
Total liabilities	16,457.0	3,602.0
Controlling interest	5,240.1	2,331.4
Noncontrolling interest	0	0
Shareholders' equity	5,240.1	2,331.4
Total liabilities and shareholders' equity	21,697.1	5,933.4
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	230.9	260.3	235.0	74.7
Investment securities	5.9
Accounts receivable, net	4,495.7	1,515.9
Inventories	148.1	147.3
Current deferred income taxes	3.0	7.3
Prepaid expenses and other current assets	43.4	30.4
Total current assets	4,927.0	1,961.2
Property and equip, net	247.5	213.0
Goodwill and other indefinite-lived intangible assets	465.5	427.6
Other intangible assets, net	203.2	218.7
Non-current deferred income taxes	23.6	20.3
Other non-current assets	86.7	23.7
Intercompany loans receivable	11,444.1	0
Investment in subsidiaries	325.2	2,872.8
Total non-current assets	12,795.8	3,776.1
Total assets	17,722.8	5,737.3
Accounts payable	487.3	560.8
Short term debt	2.1	5.0
Payroll and related taxes	32.3	27.0
Accrued customer programs	190.9	88.7
Accrued liabilities	46.7	21.7
Accrued income taxes	14.0	4.3
Current deferred income taxes	0	0.2
Current portion of long-term debt	0	0
Total current liabilities	773.3	707.7
Total long-term debt, less current portion	4.6	4.6
Non-current deferred income taxes	34.3	39.6
Other non-current liabilities	110.8	64.0
Intercompany loans payable	7,667.8	2.2
Total non-current liabilities	7,817.5	110.3
Total liabilities	8,590.8	818.0
Controlling interest	9,131.2	4,918.1
Noncontrolling interest	0.8	1.2
Shareholders' equity	9,132.0	4,919.3
Total liabilities and shareholders' equity	$ 17,722.8	$ 5,737.3