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Summary of Significant Accounting Policies (Details 2) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Apr. 02, 2016
Sales Returns and Allowances [Member]
Rollforward of activity in the Company's allowance for doubtful accounts and its aggregate reserves for returns, discounts, end-of-season markdowns and operational chargebacks
Beginning reserve balance	$ 202.8	$ 239.7	$ 239.7
Amount charged against revenue to increase reserve	585.0	666.6	749.0
Amount credited against customer accounts to decrease reserve	(596.6)	(698.8)	(753.0)
Foreign currency translation	11.3	(4.7)	4.0
Ending reserve balance	202.5	202.8	239.7
Allowance for Doubtful Accounts [Member]
Rollforward of activity in the Company's allowance for doubtful accounts and its aggregate reserves for returns, discounts, end-of-season markdowns and operational chargebacks
Beginning reserve balance	11.6	14.5	11.4
Amount recorded to expense to increase reserve	10.2	6.2	6.8
Amount credited against customer accounts to decrease reserve	(3.2)	(8.5)	(4.1)
Foreign currency translation	1.1	(0.6)	0.4
Ending reserve balance	$ 19.7	$ 11.6	$ 14.5

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Foreign currency translation adjustments.

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- Definition

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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Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to costs and expenses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to accounts other than costs and expenses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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