Segment Information - Net Revenues by Major Product Category (Details) - Product Concentration Risk - Total Revenue - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Apr. 02, 2016
Revenue from External Customer [Line Items]
Net sales	$ 4,718.6	$ 4,493.7	$ 4,712.1
Accessories
Revenue from External Customer [Line Items]
Net sales	$ 3,057.0	$ 3,061.4	$ 3,179.7
% of Total	64.80%	68.10%	67.50%
Footwear
Revenue from External Customer [Line Items]
Net sales	$ 656.9	$ 462.0	$ 491.0
% of Total	13.90%	10.30%	10.40%
Apparel
Revenue from External Customer [Line Items]
Net sales	$ 604.6	$ 543.2	$ 543.7
% of Total	12.80%	12.10%	11.50%
Licensed product
Revenue from External Customer [Line Items]
Net sales	$ 249.7	$ 281.3	$ 324.4
% of Total	5.30%	6.30%	6.90%
Licensing revenue
Revenue from External Customer [Line Items]
Net sales	$ 150.4	$ 145.8	$ 173.3
% of Total	3.20%	3.20%	3.70%