Face (par) amount of debt instrument at time of issuance.

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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.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Borrowings - Schedule of Outstanding Borrowings (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Jun. 30, 2016	Aug. 31, 2013
Debt Instrument [Line Items]
Principal amount	$ 2,092.5
Current portion of long-term debt	399.8		$ 0.0
Long-term debt, excluding current portion	1,679.9		1,470.4
Unused Available Capacity	1,057.5
Fair Value at March 31, 2020	2,021.0
Total debt	2,079.7
Long-term debt, excluding current portion
Debt Instrument [Line Items]
Principal amount	1,692.5
Long-term debt, excluding current portion	1,679.9		1,470.4
Fair Value at March 31, 2020	1,622.1
Senior Notes
Debt Instrument [Line Items]
Principal amount	1,250.0
Long-term debt, excluding current portion	1,237.4
Senior Notes \| Long-term debt, excluding current portion
Debt Instrument [Line Items]
Long-term debt, excluding current portion			894.7
Fair Value at March 31, 2020	1,179.6
Fiscal 2019 Revolving Credit Facility: \| Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount	442.5
Long-term debt, excluding current portion	442.5		575.7
Unused Available Capacity	1,057.5
Fair Value at March 31, 2020	442.5
Fiscal 2019 Revolving Credit Facility, U.S. Dollar Tranche \| Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount	250.0
Long-term debt, excluding current portion	250.0		360.0
Unused Available Capacity	850.0
Fair Value at March 31, 2020	250.0
Fiscal 2019 Revolving Credit Facility, Multicurrency Tranche \| Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount	192.5
Long-term debt, excluding current portion	192.5		215.7
Unused Available Capacity	207.5
Fair Value at March 31, 2020	192.5
Fiscal 2014 Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Principal amount	400.0				$ 400.0
Current portion of long-term debt	399.8
Fair Value at March 31, 2020	398.9
Fiscal 2014 Senior Notes \| Senior Notes \| Long-term debt, excluding current portion
Debt Instrument [Line Items]
Long-term debt, excluding current portion			399.2
Fiscal 2016 Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Principal amount	500.0			$ 500.0
Long-term debt, excluding current portion	495.9
Fiscal 2016 Senior Notes \| Senior Notes \| Long-term debt, excluding current portion
Debt Instrument [Line Items]
Long-term debt, excluding current portion			495.5
Fair Value at March 31, 2020	505.3
Fiscal 2020 Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Principal amount	750.0	$ 750.0
Long-term debt, excluding current portion	741.5
Fiscal 2020 Senior Notes \| Senior Notes \| Long-term debt, excluding current portion
Debt Instrument [Line Items]
Long-term debt, excluding current portion			$ 0.0
Fair Value at March 31, 2020	$ 674.3