Restructuring and Other Charges (Details 1) - USD ($) $ in Millions	12 Months Ended
Mar. 31, 2018	Apr. 01, 2017	Apr. 02, 2016
Way Forward Plan [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	$ 135.2	$ 0.0
Additions charged to expense	78.5	289.1
Cash payments charged against reserve	(131.8)	(151.1)
Non-cash adjustments	11.0	(2.8)
Ending restructuring reserve	92.9	135.2	$ 0.0
Way Forward Plan [Member] \| Severance and benefit costs [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	94.3	0.0
Additions charged to expense	39.0	182.7
Cash payments charged against reserve	(97.9)	(87.4)
Non-cash adjustments	2.2	(1.0)
Ending restructuring reserve	37.6	94.3	0.0
Way Forward Plan [Member] \| Lease termination and store closure costs [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	34.3	0.0
Additions charged to expense	33.2	87.3
Cash payments charged against reserve	(22.8)	(52.2)
Non-cash adjustments	8.8	(0.8)
Ending restructuring reserve	53.5	34.3	0.0
Way Forward Plan [Member] \| Other cash charges [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	6.6	0.0
Additions charged to expense	6.3	19.1
Cash payments charged against reserve	(11.1)	(11.5)
Non-cash adjustments	0.0	(1.0)
Ending restructuring reserve	1.8	6.6	0.0
Global Reorganization Plan [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	12.2	40.3	0.0
Additions charged to expense		4.9	86.0
Cash payments charged against reserve	(7.6)	(33.0)	(46.4)
Non-cash adjustments			0.7
Ending restructuring reserve	4.6	12.2	40.3
Global Reorganization Plan [Member] \| Severance and benefit costs [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	8.6	31.2	0.0
Additions charged to expense		4.7	64.4
Cash payments charged against reserve	(5.5)	(27.3)	(33.2)
Non-cash adjustments			0.0
Ending restructuring reserve	3.1	8.6	31.2
Global Reorganization Plan [Member] \| Lease termination and store closure costs [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	3.4	6.0	0.0
Additions charged to expense		0.2	7.8
Cash payments charged against reserve	(1.9)	(2.8)	(2.5)
Non-cash adjustments			0.7
Ending restructuring reserve	1.5	3.4	6.0
Global Reorganization Plan [Member] \| Other cash charges [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	0.2	3.1	0.0
Additions charged to expense		0.0	13.8
Cash payments charged against reserve	(0.2)	(2.9)	(10.7)
Non-cash adjustments			0.0
Ending restructuring reserve	$ 0.0	$ 0.2	$ 3.1

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
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-Section 50
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No definition available.

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Amount of increase (decrease) in the restructuring reserve related to foreign currency translation (gain) loss and other increases (decreases).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
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-Section S99
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-Subparagraph (SAB TOPIC 5.P.4(b)(2))
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