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Recently Issued Accounting Standards (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Mar. 30, 2019 | Apr. 01, 2018 | Mar. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Prepaid expenses, impact of adoption of ASU 2014-09 |  | $ (12.1) |
Deferred income, impact of adoption of ASU 2014-09 |  | (6.1) |
Inventory return asset | $ 18.4 |  | $ 0.0
Accounting Standards Update 2017-12 [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  | 0.7 |
Accounting Standards Update 2016-16 [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  | (0.6) |
Accounting Standards Update 2014-09 [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  | $ (5.2) |
Minimum [Member] | Accounting Standards Update 2016-02 [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Expected ROU Asset & Liability upon adoption of ASU 2016-02 | 1,600.0 |  |
Expected ASU 2016-02 adoption-related ROU asset impairment charge - retained earnings adjustment - certain BTS lease | 170.0 |  |
Expected ASU 2016-02 adoption-related ROU asset impairment charge - retained earnings adjustment - certain retail location leases | 20.0 |  |
Maximum [Member] | Accounting Standards Update 2016-02 [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Expected ROU Asset & Liability upon adoption of ASU 2016-02 | 1,800.0 |  |
Expected ASU 2016-02 adoption-related ROU asset impairment charge - retained earnings adjustment - certain BTS lease | 190.0 |  |
Expected ASU 2016-02 adoption-related ROU asset impairment charge - retained earnings adjustment - certain retail location leases | $ 30.0 |  |

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