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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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-Article 12
-Section 13
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Number of counterparties to master netting arrangements

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

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Face (par) amount of debt instrument at time of issuance.

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Date the derivative contract matures, in CCYY-MM-DD format.

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Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of gain (loss)recognized in the income statement from the hedging ineffectiveness of a fair value hedge.

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Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Financial Instruments (Details Textual) € in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2017 USD ($) counterparty	Oct. 01, 2016 USD ($)	Sep. 30, 2017 USD ($) counterparty	Oct. 01, 2016 USD ($)	Sep. 30, 2017 EUR (€) counterparty	Apr. 01, 2017 USD ($) counterparty
Derivative [Line Items]
Number of counterparties to master netting arrangements \| counterparty	8		8		8	8
Net gains (losses) deferred in AOCI for derivative financial instruments expected to be recognized in the earnings over the next 12 months			$ (10.8)
Maximum length of time hedged in cash flow hedge			2 years
Derivative, Notional Amount	$ 2,156.1		$ 2,156.1			$ 2,099.5
Maximum [Member]
Derivative [Line Items]
Derivative, Remaining Maturity			2 years
Minimum [Member]
Derivative [Line Items]
Derivative, Remaining Maturity			2 months
Interest Rate Swap - 2.125% Senior Notes [Member]
Derivative [Line Items]
Derivative, Maturity Date			Sep. 26, 2018
Interest Rate Swap - 2.625% Senior Notes [Member]
Derivative [Line Items]
Derivative, Maturity Date			Aug. 18, 2020
Cross-Currency Swap - 2.125% Senior Notes [Member]
Derivative [Line Items]
Derivative, Maturity Date			Sep. 26, 2018
Cross-Currency Swap - 2.625% Senior Notes [Member]
Derivative [Line Items]
Derivative, Maturity Date			Aug. 18, 2020
Interest Rate Swap [Member]
Derivative [Line Items]
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net	$ 0.0	$ 0.0	$ 0.0	$ 0.0
2.125% Senior Notes [Member]
Derivative [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.125%		2.125%		2.125%
Debt Instrument, Face Amount	$ 300.0		$ 300.0
2.625% Senior Notes [Member]
Derivative [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.625%		2.625%		2.625%
Debt Instrument, Face Amount	$ 300.0		$ 300.0
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount	1,755.9		1,755.9			1,724.4
Designated as Hedging Instrument [Member] \| Interest Rate Swap - 2.125% Senior Notes [Member]
Derivative [Line Items]
Derivative, Notional Amount	300.0		300.0
Designated as Hedging Instrument [Member] \| Interest Rate Swap - 2.625% Senior Notes [Member]
Derivative [Line Items]
Derivative, Notional Amount	300.0		300.0
Designated as Hedging Instrument [Member] \| Cross-Currency Swap - 2.125% Senior Notes [Member]
Derivative [Line Items]
Derivative, Notional Amount \| €					€ 280
Designated as Hedging Instrument [Member] \| Cross-Currency Swap - 2.625% Senior Notes [Member]
Derivative [Line Items]
Derivative, Notional Amount \| €					€ 274
Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 600.0		$ 600.0			$ 600.0