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Restructuring and Other Charges (Details 1) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 28, 2019	Dec. 29, 2018
Fiscal 2019 Restructuring Plan
Restructuring Reserve [Roll Forward]
Beginning Reserve Balance			$ 41.6
Additions charged to expense	$ 4.0	$ 20.2	20.5	$ 39.0
Cash payments charged against reserve			(40.3)
Non-cash adjustments			(0.4)
Ending Reserve Balance	21.4		21.4
Fiscal 2019 Restructuring Plan \| Severance and benefit costs
Restructuring Reserve [Roll Forward]
Beginning Reserve Balance			41.0
Additions charged to expense	3.0	17.1	17.9	34.3
Cash payments charged against reserve			(38.1)
Non-cash adjustments			0.0
Ending Reserve Balance	20.8		20.8
Fiscal 2019 Restructuring Plan \| Lease termination and store closure costs
Restructuring Reserve [Roll Forward]
Beginning Reserve Balance			0.5
Additions charged to expense	0.0	1.2	0.5	1.2
Cash payments charged against reserve			(0.6)
Non-cash adjustments			(0.4)
Ending Reserve Balance	0.0		0.0
Fiscal 2019 Restructuring Plan \| Other cash charges
Restructuring Reserve [Roll Forward]
Beginning Reserve Balance			0.1
Additions charged to expense	1.0	1.9	2.1	3.5
Cash payments charged against reserve			(1.6)
Non-cash adjustments			0.0
Ending Reserve Balance	0.6		0.6
Other Restructuring Plans
Restructuring Reserve [Roll Forward]
Beginning Reserve Balance			30.2
Additions charged to expense		2.8	0.0	11.1
Cash payments charged against reserve			(7.5)
Non-cash adjustments			(18.9)
Ending Reserve Balance	3.8		3.8
Other Restructuring Plans \| Severance and benefit costs
Restructuring Reserve [Roll Forward]
Beginning Reserve Balance			6.5
Additions charged to expense		0.1	0.0	6.6
Cash payments charged against reserve			(4.6)
Non-cash adjustments			0.0
Ending Reserve Balance	1.9		1.9
Other Restructuring Plans \| Lease termination and store closure costs
Restructuring Reserve [Roll Forward]
Beginning Reserve Balance			23.3
Additions charged to expense		2.1	0.0	3.7
Cash payments charged against reserve			(2.8)
Non-cash adjustments			(18.9)
Ending Reserve Balance	1.6		1.6
Other Restructuring Plans \| Other cash charges
Restructuring Reserve [Roll Forward]
Beginning Reserve Balance			0.4
Additions charged to expense		$ 0.6	0.0	$ 0.8
Cash payments charged against reserve			(0.1)
Non-cash adjustments			0.0
Ending Reserve Balance	$ 0.3		$ 0.3