Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Amount of long-term debt due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Amount of decrease in the fair value of derivatives recognized in the income statement.

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The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.

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Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Derivative Instruments and Hedging Activities - Additional Information (Details)			3 Months Ended			6 Months Ended	12 Months Ended
	Jun. 15, 2017 USD ($)	Dec. 02, 2014 USD ($)	Jul. 01, 2017 USD ($)	Apr. 02, 2016 USD ($)	Dec. 27, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jun. 27, 2015 USD ($)	Mar. 30, 2015 EUR (€)	Mar. 30, 2015 USD ($)	Nov. 14, 2014 EUR (€)	Nov. 08, 2013	Sep. 06, 2013 USD ($)
Derivatives, Fair Value [Line Items]
Repayments of debt							$ 2,611,000,000
Amount of loss recognized in income		$ 5,800,000	$ 5,900,000	$ 7,000,000
Proceeds from issuance of debt		1,600,000,000		$ 1,200,000,000
Loans payable									$ 300,000,000					$ 1,000,000,000
Derivative, loss on derivative						$ 0	0	$ 0	326,400,000
Gain (loss) on cash flow hedge ineffectiveness									1,100,000
Gain (loss) on cash flow hedges to be reclassified during next 12 months							5,500,000
Other expense, net
Derivatives, Fair Value [Line Items]
Derivative, loss on derivative									$ 3,600,000
Foreign currency forward contracts
Derivatives, Fair Value [Line Items]
Derivative, notional amount						$ 755,500,000	$ 592,300,000	$ 533,500,000
Maximum remaining maturity of foreign currency derivatives						18 months	18 months	18 months
Designated derivatives \| Foreign currency forward contracts
Derivatives, Fair Value [Line Items]
Amount of loss recognized in income					$ 26,400,000				$ 1,900,000
Designated derivatives \| Interest rate swap agreements
Derivatives, Fair Value [Line Items]
Derivative, notional amount		$ 750,000,000				$ 200,000,000			240,000,000
Non-designated derivatives
Derivatives, Fair Value [Line Items]
Amount of loss recognized in income						$ 8,700,000	$ (7,300,000)	$ 4,600,000	325,200,000
Non-designated derivatives \| Foreign currency forward contracts
Derivatives, Fair Value [Line Items]
Derivative, notional amount \| €												€ 2,000,000,000
Omega \| Designated derivatives \| Interest rate swap agreements
Derivatives, Fair Value [Line Items]
Derivative, notional amount											$ 20,000,000
Perrigo Co PLC \| Non-designated derivatives \| Foreign currency forward contracts
Derivatives, Fair Value [Line Items]
Amount of loss recognized in income									$ 298,100,000
Omega \| Designated derivatives \| Interest rate swap agreements
Derivatives, Fair Value [Line Items]
Derivative, notional amount										€ 135,000,000	147,015,000.000
Credit facility indebtedness \| Omega
Derivatives, Fair Value [Line Items]
Business combination, current liabilities, long-term debt										€ 500,000,000	$ 544,500,000
4.00% Unsecured Senior Notes due November 15, 2023
Derivatives, Fair Value [Line Items]
Repayments of debt	$ 584,400,000		584,400,000
Interest rate, stated percentage							4.00%						4.00%
5.30% Unsecured Senior Notes due November 15, 2043
Derivatives, Fair Value [Line Items]
Repayments of debt	$ 309,500,000		$ 309,500,000
Interest rate, stated percentage							5.30%						5.30%
6.19% Senior Note \| Omega
Derivatives, Fair Value [Line Items]
Interest rate, stated percentage										6.19%	6.19%
Business combination, current liabilities, long-term debt											$ 20,000,000.0