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Accumulated Other Comprehensive (Loss) Income - Changes in Components of Accumulated Other Comprehensive Income, Net of Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 29, 2018	Dec. 30, 2017	Mar. 31, 2018
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			$ 2,021.5
Other comprehensive (loss) income, net of tax			(143.5)
Ending balance	$ 2,267.1		2,267.1
Foreign currency translation adjustments	(31.7)	$ 41.6	(159.9)	$ 78.7
Foreign Currency Translation (Losses) Gains
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			61.2	(86.1)
Other comprehensive (loss) income before reclassifications			(159.8)	78.6
Less: amounts reclassified from AOCI to earnings			0.0	0.0
Other comprehensive (loss) income, net of tax			(159.8)	78.6
Ending balance	(98.6)	(7.5)	(98.6)	(7.5)
Net gain (loss) on long-term transactions			9.5	(4.4)
Gain related to net investment hedges	12.8		12.8
Taxes related to the gain on net investment hedges			2.6
Foreign Currency Translation (Losses) Gains \| Jimmy Cho PLC
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Foreign currency translation adjustments			(139.3)	35.2
Net Gains (Losses) on Derivatives
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(10.7)	5.5
Other comprehensive (loss) income before reclassifications			10.9	(15.4)
Less: amounts reclassified from AOCI to earnings			(5.5)	1.0
Other comprehensive (loss) income, net of tax			16.4	(16.4)
Ending balance	5.7	(10.9)	5.7	(10.9)
Accumulated other comprehensive income, tax provision (benefit)	0.7		0.7		$ (1.4)
Tax benefit of amount reclassified from AOCI			0.8
Other comprehensive income (loss) before reclassifications, tax provision			1.3	2.3
Other Comprehensive (Loss) Income Attributable to Capri
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			50.5	(80.6)
Other comprehensive (loss) income before reclassifications			(148.9)	63.2
Less: amounts reclassified from AOCI to earnings			(5.5)	1.0
Other comprehensive (loss) income, net of tax			(143.4)	62.2
Ending balance	(92.9)	(18.4)	(92.9)	(18.4)
Other Comprehensive (Loss) Income Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(0.2)	(0.3)
Other comprehensive (loss) income before reclassifications			(0.1)	0.1
Less: amounts reclassified from AOCI to earnings			0.0	0.0
Other comprehensive (loss) income, net of tax			(0.1)	0.1
Ending balance	(0.3)	(0.2)	(0.3)	(0.2)
Total Accumulated Other Comprehensive (Loss) Income
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			50.3	(80.9)
Other comprehensive (loss) income before reclassifications			(149.0)	63.3
Less: amounts reclassified from AOCI to earnings			(5.5)	1.0
Other comprehensive (loss) income, net of tax			(143.5)	62.3
Ending balance	$ (93.2)	$ (18.6)	$ (93.2)	$ (18.6)