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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Amount of increase (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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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) - USD ($)	3 Months Ended	12 Months Ended
	Apr. 02, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Mar. 30, 2015	Nov. 08, 2013
Derivatives, Fair Value [Line Items]
Amount of loss recognized in income	$ 7,000,000.0		$ 5,900,000
Proceeds from issuance of debt	$ 1,200,000,000
Loans payable		$ 351,300,000	420,000,000.0
Gain (loss) on cash flow hedges to be reclassified during next 12 months		(10,700,000)
5.30% Unsecured Senior Notes due November 15, 2043
Derivatives, Fair Value [Line Items]
Repayments of debt			$ 309,500,000
Interest rate, stated percentage			5.30%
4.00% Unsecured Senior Notes due November 15, 2023
Derivatives, Fair Value [Line Items]
Repayments of debt			$ 584,400,000
Interest rate, stated percentage			4.00%
Foreign currency forward contracts
Derivatives, Fair Value [Line Items]
Derivative, notional amount		$ 686,600,000	$ 592,300,000
Maximum remaining maturity of foreign currency derivatives		18 months	18 months
Designated derivatives \| Interest rate swap agreements
Derivatives, Fair Value [Line Items]
Derivative, notional amount					$ 200,000,000.0
Non-designated derivatives
Derivatives, Fair Value [Line Items]
Amount of loss recognized in income		$ (6,600,000)	$ (7,300,000)	$ 4,600,000
4.00% Unsecured Senior Notes due November 15, 2023
Derivatives, Fair Value [Line Items]
Interest rate, stated percentage		4.00%					4.00%
5.30% Unsecured Senior Notes due November 15, 2043
Derivatives, Fair Value [Line Items]
Interest rate, stated percentage		5.30%					5.30%
6.19% Senior Note \| Omega
Derivatives, Fair Value [Line Items]
Interest rate, stated percentage						6.19%
Business combination, current liabilities, long-term debt						$ 20,000,000.0