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Summary of Significant Accounting Policies (Details 2) - USD ($) $ in Millions | 12 Months Ended
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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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