Income Taxes (Details) (USD $) In Millions	3 Months Ended	6 Months Ended
Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010	Apr. 02, 2011
Reconciliation of unrecognized tax benefits, excluding interest and penalties
Unrecognized tax benefits beginning balance	$ 127.0	$ 111.5	$ 125.0	$ 96.2
Additions related to current period tax positions	0.9	1.3	1.9	2.1
Additions related to prior period tax positions	0.1	2.5	0.2	27.3
Reductions related to prior period tax positions	(0.3)	(0.1)	(0.7)	(8.2)
Additions (reductions) related to foreign currency translation	(2.9)	3.5	(1.6)	1.3
Unrecognized tax benefits ending balance	124.8	118.7	124.8	118.7
Reconciliation of accrued interest and penalties related to unrecognized tax benefits
Accrued interest and penalties beginning balance	33.8	30.2	31.4	29.8
Net additions charged to expense	2.1	1.7	4.1	4.7
Reductions related to prior period tax positions	0	0	0	(2.1)
Additions (reductions) related to foreign currency translation	(0.5)	0.7	(0.1)	0.2
Accrued interest and penalties ending balance	35.4	32.6	35.4	32.6
Income Tax Uncertainties (Textuals) [Abstract]
Total amount of unrecognized tax benefits, including interest and penalties	160.2		160.2		156.4
Unrecognized tax benefits that, if recognized, would affect the effective tax rate	113.5		113.5
Amount of gross unrecognized tax benefits, excluding interest penalties, that is likely to change during the next twelve months	$ 0		$ 0

The total of (i) the gross amount of unrecognized tax benefits (tax reductions recognized in financial reports but excluded from tax returns) pertaining to uncertain tax positions taken in tax returns as of the beginning balance sheet date, excluding amounts pertaining to examined tax returns, (ii) the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and (iii) the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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Unrecognized Tax Benefits Income Tax Prior Period Tax Positions.

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Increases in unrecognized tax benefits resulting from foreign currency translation.

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Unrecognized Tax Benefits Interest and Penalties reductions relating to foreign currency translation.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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