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v3.8.0.1

Segment Information (Details 2) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2018 | Apr. 01, 2017 | Apr. 02, 2016
Segment Reporting Information [Line Items] |  |  |
Inventory-Related Charges | $ (7.6) | $ (197.9) | $ (20.4)
North America Segment [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Inventory-Related Charges | (2.8) | (33.9) | (7.2)
Europe Segment [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Inventory-Related Charges | (1.5) | (20.1) | (2.4)
Asia Segment [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Inventory-Related Charges | (2.9) | (137.6) | (10.8)
Other non-reportable segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Inventory-Related Charges | $ (0.4) | $ (6.3) | $ 0.0

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- Definition Inventory-related charges associated with restructuring. + References No definition available. + Details
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Namespace Prefix: | rl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=rl_AsiaSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |