Concentration of Credit Risk, Major Customers and Suppliers	12 Months Ended
Mar. 31, 2018
Risks and Uncertainties [Abstract]
Concentration of Credit Risk, Major Customers and Suppliers	Concentration of Credit Risk, Major Customers and Suppliers Financial instruments that subject the Company to concentration of credit risk are cash and cash equivalents and receivables. As part of its ongoing procedures, the Company monitors its concentration of deposits with various financial institutions in order to avoid any undue exposure. The Company mitigates its risk by depositing cash and cash equivalents in major financial institutions. The Company also mitigates its credit risk by obtaining insurance coverage for a substantial portion of its receivables (as demonstrated in the above table in “Credit risk assumed by insured”). For Fiscal 2018, Fiscal 2017 and Fiscal 2016, revenue related to our largest Michael Kors wholesale customer, Macy’s, accounted for approximately 7.8%, 8.9% and 12.7%, respectively, of total revenue. The accounts receivable related to this customer were substantially insured for all three fiscal years. No other customer accounted for 10% or more of the Company’s total revenues during Fiscal 2018, Fiscal 2017 or Fiscal 2016. The Company contracts for the purchase of finished goods principally with independent third-party contractors, whereby the contractor is generally responsible for all manufacturing processes, including the purchase of piece goods and trim. Although the Company does not have any long-term agreements with any of its manufacturing contractors, the Company believes it has mutually satisfactory relationships with them. The Company allocates product manufacturing among agents and contractors based on their capabilities, the availability of production capacity, quality, pricing and delivery. The inability of certain contractors to provide needed services on a timely basis could adversely affect the Company’s operations and financial condition. The Company also has relationships with various agents who source Michael Kors finished goods with numerous contractors on its behalf. For Fiscal 2018, Fiscal 2017 and Fiscal 2016, one agent sourced approximately 23.9%, 21.8% and 23.2%, respectively, and one contractor accounted for approximately 19.9%, 23.2% and 21.2%, respectively, of Michael Kors finished goods purchases, based on unit volume. For the period covering November 1, 2017 through March 31, 2018 one contractor accounted for approximately 16.0% of Jimmy Choo’s finished goods purchases, based on unit volume.

Concentration of Credit Risk, Major Customers and Suppliers

Financial instruments that subject the Company to concentration of credit risk are cash and cash equivalents and receivables. As part of its ongoing procedures, the Company monitors its concentration of deposits with various financial institutions in order to avoid any undue exposure. The Company mitigates its risk by depositing cash and cash equivalents in major financial institutions. The Company also mitigates its credit risk by obtaining insurance coverage for a substantial portion of its receivables (as demonstrated in the above table in “Credit risk assumed by insured”). For Fiscal 2018, Fiscal 2017 and Fiscal 2016, revenue related to our largest Michael Kors wholesale customer, Macy’s, accounted for approximately 7.8%, 8.9% and 12.7%, respectively, of total revenue. The accounts receivable related to this customer were substantially insured for all three fiscal years. No other customer accounted for 10% or more of the Company’s total revenues during Fiscal 2018, Fiscal 2017 or Fiscal 2016.

The Company contracts for the purchase of finished goods principally with independent third-party contractors, whereby the contractor is generally responsible for all manufacturing processes, including the purchase of piece goods and trim. Although the Company does not have any long-term agreements with any of its manufacturing contractors, the Company believes it has mutually satisfactory relationships with them. The Company allocates product manufacturing among agents and contractors based on their capabilities, the availability of production capacity, quality, pricing and delivery. The inability of certain contractors to provide needed services on a timely basis could adversely affect the Company’s operations and financial condition. The Company also has relationships with various agents who source Michael Kors finished goods with numerous contractors on its behalf. For Fiscal 2018, Fiscal 2017 and Fiscal 2016, one agent sourced approximately 23.9%, 21.8% and 23.2%, respectively, and one contractor accounted for approximately 19.9%, 23.2% and 21.2%, respectively, of Michael Kors finished goods purchases, based on unit volume. For the period covering November 1, 2017 through March 31, 2018 one contractor accounted for approximately 16.0% of Jimmy Choo’s finished goods purchases, based on unit volume.